What Is Sperm | Keyword Rankings

Google Keyword Rankings for : what is sperm

1 Sperm: MedlinePlus Medical Encyclopedia Image
https://medlineplus.gov/ency/imagepages/19471.htm
The male reproductive system creates sperm that is manufactured in the seminiferous tubules within each testicle. The head of the sperm ...
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2 Sperm | Definition, Function, Life Cycle, & Facts | Britannica
https://www.britannica.com/science/sperm
sperm, also called spermatozoon, plural spermatozoa, male reproductive cell, produced by most animals. With the exception of nematode worms, ...
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3 Spermatozoa (sperm) - MyHealth Alberta
https://myhealth.alberta.ca/Health/Pages/conditions.aspx?hwid=tp10397
Spermatozoa (sperm) are the male sex cells that carry a man's genetic material. They are so tiny that they can't be seen without a microscope.
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4 Guide to Sperm: Sperm Motility and Male Fertility | Legacy
https://www.givelegacy.com/what-is-sperm/
In the simplest of terms, sperm is the male sex cell or “gamete.” Sperm and egg cells are haploid, which means they carry half the amount of chromosomes that ...
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5 Male Reproductive System (for Parents) - Nemours KidsHealth
https://kidshealth.org/en/parents/male-reproductive.html
The urethra is the channel that carries the sperm (in fluid called semen) to the outside of the body through the penis. The urethra is also part of the urinary ...
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6 How Is Sperm Produced? - Healthline
https://www.healthline.com/health/how-is-sperm-produced
How is sperm produced? ... There is a system of tiny tubes in the testicles. These tubes, called the seminiferous tubules, house the germ cells that hormones — ...
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7 Semen Physiology - News Medical
https://www.news-medical.net/health/Semen-Physiology.aspx
Most of the fluid in semen is made up of secretions from male reproductive organs. Semen contains citric acid, free amino acids, fructose, enzymes, ...
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8 Sperm - Molecular Biology of the Cell - NCBI Bookshelf
https://www.ncbi.nlm.nih.gov/books/NBK26914/
In most species, there are just two types of gamete, and they are radically different. The egg is among the largest cells in an organism, while the sperm ...
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9 How Long Sperm Live, Sperm Count, and More - WebMD
https://www.webmd.com/infertility-and-reproduction/sperm-and-semen-faq
On average, each time men ejaculate they release nearly 100 million sperm. Why are so many sperm released if it takes only one to make a baby?
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10 9 Surprising Things To Know About Semen - Health
https://www.health.com/sex/semen-facts
Semen—also known as ejaculate, spunk, and a host of other, less printable nicknames—is fluid that carries sperm cells and is ejaculated from ...
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11 Semen Analysis: What is It, What's it For, How is It Done
https://my.clevelandclinic.org/health/diagnostics/21520-semen-analysis
What is semen? This substance is released from a man's penis when he has an orgasm (ejaculates). It contains: Sperm, male reproductive cells.
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12 New Biological Insights on X and Y Chromosome-Bearing ...
https://www.frontiersin.org/articles/10.3389/fcell.2019.00388/full
Based on the chromosomal content, spermatozoa are of two types, that is, those bearing the X chromosome (X spermatozoa) and Y chromosome (Y ...
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13 How Sperm Is Created - YouTube
https://www.youtube.com/watch?v=Fwmx0HdV1wM
Institute of Human Anatomy
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14 Healthy sperm: Improving your fertility - Mayo Clinic
https://www.mayoclinic.org/healthy-lifestyle/getting-pregnant/in-depth/fertility/art-20047584
Quantity. Fertility is most likely if the semen discharged in a single ejaculation (ejaculate) contains at least 15 million sperm per milliliter. Too little ...
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15 A Sperm Cell or Spermatozoa
https://www2.nau.edu/gaud/bio301/content/spmtz.htm
The mature sperm cell (spermatozoa) is 0.05 milliliters long. It consists of a head, body and tail. The head is covered by the ac cap and contains a nucleus ...
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16 Sperm Morphology (Shape): Does It Affect Fertility?
https://www.reproductivefacts.org/news-and-publications/patient-fact-sheets-and-booklets/documents/fact-sheets-and-info-booklets/sperm-morphology-shape-does-it-affect-fertility/
The most common test of a man's fertility is a semen analysis. This measures many features of the sperm and semen (the fluid in which the sperm are ...
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17 13 Things You Need To Know About Semen
https://www.refinery29.com/en-us/what-is-semen-definition
"Semen is a mixture of a number of things — one of the things in semen is sperm," says Dr. Caudle. The sperm is contained in a white fluid ...
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18 What Your Semen Says About Your Health - Verywell Health
https://www.verywellhealth.com/facts-about-semen-an-indication-of-health-status-2328524
Semen consists of both sperm cells and a nutrient-rich fluid that bathes the cells. Learn more about semen, including its content and ...
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19 Sperm: What Is It, Production, How Long Does It Live
https://ro.co/spermkit/how-to-increase-male-fertility/sperm-in-a-nutshell
It also feeds sperm and moves them around in the ejaculatory duct. The production of semen is not the responsibility of a single organ. Instead, it comes from ...
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20 How semen and sperm quality affect male fertility - NetDoctor
https://www.netdoctor.co.uk/conditions/sexual-health/a12002/semen-and-sperm-quality/
Semen is a white or grey liquid, emitted from the urethra (tube in the penis) on ejaculation. Find out how you can preserve your fertility.
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21 Sperm Retrieval - Treatment - Urology Care Foundation
https://www.urologyhealth.org/urology-a-z/s/sperm-retrieval
At the base of the penis, sperm and testosterone (male hormone) are made in the scrotum's 2 testicles. The sperm leave the testicles through a coiled tube ...
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22 Semen analysis - University of Utah Health
https://healthcare.utah.edu/fertility/treatments/diagnostic-testing/semen-analysis.php
A semen analysis is usually the first male fertility evaluation we do in the fertility assessment process. Getting a semen analysis may seem intimidating ...
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23 Sperm vs. Semen - Male Contraceptive Initiative
https://www.malecontraceptive.org/blog/semen-vs-sperm
Semen, or seminal fluid, is an organic fluid created to contain and transport sperm, or spermatozoa, from the male reproductive tract into the female ...
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24 What is a sperm cell like? Its structure, parts and functions
https://www.invitra.com/en/sperm-cell/
A spermatozoon, in plural spermatozoa, or sperm cell is the male reproductive cell that is produced in the man´s testicles in a process ...
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25 Sperm: 15 crazy things you should know - CBS News
https://www.cbsnews.com/pictures/sperm-15-crazy-things-you-should-know/
But sperm cells are only one component. Semen also contains substances from the prostate and a pair of rabbit ear-shaped organs inside the ...
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26 How Does Pregnancy Happen? - Planned Parenthood
https://www.plannedparenthood.org/learn/pregnancy/how-pregnancy-happens
Sperm are microscopic cells that are made in testicles. Sperm mixes with other fluids to make semen (cum), which comes out of the penis during ejaculation.
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27 Sperm Banking | Johns Hopkins Medicine
https://www.hopkinsmedicine.org/health/treatment-tests-and-therapies/sperm-banking
Sperm banking is the process of collecting, freezing and storing sperm. It's also called sperm freezing or sperm cryopreservation. The sperm can be thawed ...
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28 How is Sperm Produced? | Spermatogenesis - The Turek Clinic
https://www.theturekclinic.com/male-spermatogenesis/
Sperm production is hormonally driven. Brain hormones govern sperm production and are precisely controlled. The male genitalia are responsible for sperm and ...
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29 What Is Sperm? - iCliniq
https://www.icliniq.com/articles/sexual-health/sperm
Sperm is the male reproductive cell that fuses with the female reproductive cell (ovum) to facilitate reproduction.
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30 What Is Semen Made Of And Where Does It Come From?
https://www.stdcheck.com/blog/what-is-semen-made-of/
Semen is made up of sperm and other fluids that originate from the testes, seminal vesicles, prostate, and bulbourethral glands.
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31 Dr. Charles Lindemann's Lab: Sperm Facts - Oakland University
https://www2.oakland.edu/biology/lindemann/spermfacts.htm
This question always comes up in regard to human fertility. If it takes only one sperm to fertilize and egg, why does a low sperm count make a man infertile? A ...
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32 Sperm Motility: Definition, Analysis, and More - Verywell Family
https://www.verywellfamily.com/sperm-motility-1960141
Sperm motility is the movement, or swimming, of sperm. It is one of the factors tested in a semen analysis. Poor sperm motility can cause ...
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33 How long the sperm lives inside the testicles? - Nova IVF
https://www.novaivffertility.com/fertility-help/how-long-the-sperm-lives-inside-the-testicles
To father a child, the male partner needs to have healthy sperms. The sperm is produced in the two testicles or testes. This process starts at puberty.
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34 Sperm definition and meaning | Collins English Dictionary
https://www.collinsdictionary.com/dictionary/english/sperm
A sperm is a cell produced in the sex organs of a male animal which can enter a female animal's egg and fertilize it. A baby is conceived when a sperm joins ...
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35 The Long, Winding Tale of Sperm Science
https://www.smithsonianmag.com/science-nature/scientists-finally-unravel-mysteries-sperm-180963578/
Sperm research also shed light on other body systems. In the 1960s, researchers identified the protein dynein, which is responsible for sperm ...
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36 What Is Sperm Freezing? - Health - Forbes
https://www.forbes.com/health/family/what-is-sperm-freezing/
Sperm freezing, also known as sperm banking or sperm cryopreservation, is the process of collecting and freezing sperm for future use. After ...
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37 Sperm Cell Function & Structure | What is a Sperm? - Study.com
https://study.com/learn/lesson/sperm-cell.html
Mature sperm cells are stored in the epididymis and released from the body via the urethra in the penis during ejaculation. The fluid in which ...
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38 Difference Between Sperm and Semen - Pediaa.Com
https://pediaa.com/difference-between-sperm-and-semen/
Sperm and semen are two components that are produced by the male reproductive system of animals. Sperms are the reproductive cells of males.
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39 Superfood or Supergross? The Truth About Semen - Greatist
https://greatist.com/health/nutrition-of-semen
Male ejaculate isn't just about those little swimmers. Semen is a viscous liquid made up of sperm, aka male reproductive cells, and various other secretions ...
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40 Low sperm count - NHS
https://www.nhs.uk/conditions/low-sperm-count/
A low sperm count, also called oligozoospermia, is where a man has fewer than 15 million sperm per millilitre of semen. Having a low sperm count can make it ...
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41 What Is Semen Made Of? - Priority STD Testing
https://www.prioritystdtesting.com/blog/what-is-semen-made-of/
Semen is a mixture of fluids that contains sperm, but the majority of semen is composed of over 200 separate proteins, as well as vitamins and ...
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42 Semen Analysis - Testing.com
https://www.testing.com/tests/semen-analysis/
Semen is a thick fluid that is released from the penis during ejaculation. Semen contains sperm, which carries genetic material that is ...
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43 What is the Difference Between Sperm and Semen?
https://manmatters.com/blog/difference-between-sperm-and-semen/
Sperm is a microscopic male reproductive cell made up of an oval-shaped head and a long tail, and the job of sperm is to fertilize the female ...
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44 13.6 Sperm are produced in the testes
https://open.lib.umn.edu/evolutionbiology/chapter/13-6-sperm-are-produced-in-the-testes/
Erection and further sexual arousal and stimulation may lead to orgasm and ejaculation. During ejaculation, sperm leave the epididymis in testicular fluid ...
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45 The Difference Between Semen and Sperm, and More
https://timesofindia.indiatimes.com/life-style/health-fitness/de-stress/the-difference-between-semen-and-sperm-and-more/photostory/71081656.cms
Semen and sperm are not the same things. Sperm is a microscopic cell that is a part of the semen. The job of the sperm is to fertilize the ...
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46 Sperm | CK-12 Foundation
https://flexbooks.ck12.org/cbook/ck-12-middle-school-life-science-2.0/section/11.66/primary/lesson/human-sperm-ms-ls/
Sperm are male gametes that form in the testes and mature in the epididymis. · The head of the sperm contains the nucleus, the midpiece is packed ...
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47 Semen Analysis - Health Encyclopedia - URMC
https://www.urmc.rochester.edu/encyclopedia/content.aspx?contenttypeid=167&contentid=semen_analysis
Male infertility is often caused by low sperm count, abnormal sperm movement, or weak sperm. If you and your partner are trying to conceive, the results of this ...
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48 9 Things You Didn't Know About Sperm - Parents
https://www.parents.com/getting-pregnant/sperm-101-all-the-male-fertiltiy-facts-you-need-to-know/
"Sperm is the vessel that carries a man's DNA to combine with a woman's egg, which makes an embryo," says Michael Eisenberg, MD, Medical ...
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49 Sperm Definition & Meaning - Dictionary.com
https://www.dictionary.com/browse/sperm
The smaller, usually motile male reproductive cell of most organisms that reproduce sexually. Sperm cells are haploid (they have half the number of chromosomes ...
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50 Sperm health | Pregnancy Birth and Baby
https://www.pregnancybirthbaby.org.au/sperm-health
Sperm are created in the testes (testicles). They travel through the male reproductive system and mix with fluid (semen) made by the prostate gland and organs ...
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51 Abnormal Semen Analysis | Denver Metro Area
https://www.denverurology.com/male-urology/sexual-health/abnormal-semen-analysis/
Some people use the words semen and sperm interchangeable, but they are different. Semen is the fluid emitted from the penis during ejaculation. Sperm cells are ...
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52 7 Things About Vasectomies - Penn Medicine
https://www.pennmedicine.org/updates/blogs/health-and-wellness/2019/march/7-things-about-vasectomies
That snip is a vasectomy, a male sterilization procedure that blocks sperm from reaching semen, says the American Urological Association (AUA).
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53 Male Reproductive Structures - Visible Body
https://www.visiblebody.com/learn/reproductive/male-reproductive-structures
The prostate gland, the seminal vesicles, and the bulbourethral glands contribute seminal fluid to semen, which carries and protects the sperm. During sexual ...
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54 Semen Analysis - Labcorp
https://www.labcorp.com/help/patient-test-info/semen-analysis
A complete semen analysis measures the quantity and quality of the fluid released during ejaculation. It evaluates both the liquid portion, called semen or ...
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55 FAQ: Intracytoplasmic Sperm Injection - UCSF Health
https://www.ucsfhealth.org/education/faq-intracytoplasmic-sperm-injection
Intracytoplasmic sperm injection, or ICSI, involves injecting a single live sperm directly into the center of a human egg. Learn more and find answers to ...
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56 Seminal Fluid: What Is It Made of and Where Does It Come ...
https://www.bensnaturalhealth.com/blog/seminal-fluid/
Seminal fluid is the fluid emitted from the male reproductive tract. The semen contains sperm cells capable of fertilizing female eggs.
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57 Examination and processing of human semen
https://www.who.int/docs/default-source/reproductive-health/srhr-documents/infertility/examination-and-processing-of-human-semen-5ed-eng.pdf
Previous editions had different title : WHO laboratory manual for the examination of human semen and sperm-cervical mucus interaction. 1.Semen - chemistry. 2.
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58 Understanding Semen Analysis - Stony Brook Medicine
https://www.stonybrookmedicine.edu/patientcare/urology/SemenAnalysis
The male factor infertility is most commonly defined as abnormalities in the number of sperm present, proportion of the motile and morphologically normal ...
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59 gamete / gametes | Learn Science at Scitable - Nature
https://www.nature.com/scitable/definition/gamete-gametes-311/
They are also referred to as sex cells. Female gametes are called ova or egg cells, and male gametes are called sperm. Gametes are haploid cells, and each cell ...
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60 Sperm counts may be declining globally, review finds ... - CNN
https://www.cnn.com/2022/11/18/health/sperm-counts-decline-debate
On a population level, the average sperm count dropped from 104 million to 49 million per milliliter from 1973 through 2019. Normal sperm counts ...
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61 Sperm Capacitation | The Embryo Project Encyclopedia
https://embryo.asu.edu/pages/sperm-capacitation
Sperm capacitation refers to the physiological changes spermatozoa must undergo in order to have the ability to penetrate and fertilize an ...
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62 What is Sperm Motility? - Path Fertility
https://pathfertility.com/what-is-sperm-motility/
Since sperm have to be able to swim to reach the egg in order to join with it, normal sperm motility plays a pretty big role in men's reproductive health.
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63 What is sperm selection using microfluidic chips? - Vida Fertility
https://vidafertility.com/en/techniques/sperm-selection-using-microfluidic-chips/
It is a type of sperm selection that allows us to choose the healthiest spermatozoa to perform the Assisted Reproduction treatment. These chips simulate the ...
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64 Semen Analysis | The Sperm Bank of California
https://www.thespermbankofca.org/semen-analysis
What is semen? Semen is composed of sperm, sugars, salts and secretions produced by the prostate gland and seminal vesicles. Germinal sperm cells are ...
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65 What is the life span of human sperm? - The Hindu
https://www.thehindu.com/sci-tech/health/medicine-and-research/what-is-the-life-span-of-human-sperm/article7619238.ece
Spermatozoa are produced in the testes from puberty until death. The rate of production is 1,000 spermatozoa per second – 24x7.
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66 Sperm output of older men | Human Reproduction
https://academic.oup.com/humrep/article/19/8/1811/2356317
There was no significant difference in sperm density but both median semen volume and total sperm output per ejaculate, reduced by 47% and 64%, respectively, ...
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67 Sperm Motility - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/agricultural-and-biological-sciences/sperm-motility
Sperm motility also requires energy, namely in the form of ATP that is used by the dynein ATPases, and which is generated by oxidative phosphorylation in ...
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68 Fears over falling human sperm count may be overblown
https://news.harvard.edu/gazette/story/2021/05/fears-over-falling-human-sperm-count-may-be-overblown/
In a new paper published in the journal Human Fertility, “The future of sperm: a biovariability framework for understanding global sperm count ...
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69 What is sperm donation, why is it done? - Ivox Cyprus IVF Center
https://ivoxtupbebekmerkezi.com/en/what-is-sperm-donation-why-is-it-done/
Sperm is the reproductive cells in the fluid discharged from the male genitals after sexual intercourse or masturbation. If it fertilizes an egg cell, it ...
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70 What is sperm? | Biology Questions - Toppr
https://www.toppr.com/ask/question/what-is-sperm/
Sperm is the male reproductive cell and is derived from the Greek word sperma. In the types of sexual reproduction known as anisogamy and its subtype oogamy, ...
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71 Here's how long it takes sperm to reach the egg after sex
https://flo.health/getting-pregnant/trying-to-conceive/fertility/how-long-does-it-take-sperm-to-reach-egg
It takes sperm a surprisingly long time to reach the egg after unprotected sex — and few ever make it that far. A fertility expert explains ...
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72 Sperm counts - OpenLearn - The Open University
https://www.open.edu/openlearn/nature-environment/natural-history/sperm-counts
These tubes ultimately lead to the urethra - the tube through which we urinate. Men also use the urethra to deliver semen into the female reproductive tract.
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73 Sperm Whale | NOAA Fisheries
https://www.fisheries.noaa.gov/species/sperm-whale
Sperm whales are the largest of the toothed whales and have one of the widest global distributions of any marine mammal species. They are found in all deep ...
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74 Male Semen Analysis - What Is Measured? - ExSeed Health
https://www.exseedhealth.com/semen-analysis-what-is-measured/
The sperm cells within the semen are the cells that can fertilize the woman's egg. For most semen tests, the man masturbates into a container, ...
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75 PGT-A Testing vs. Sperm Sorting: What's the Difference?
https://www.pfcla.com/blog/what-is-sperm-sorting
Gender is determined by the individual sperm that fertilizes the egg. Chromosomally normal babies get 22 chromosomal pairs and a sex chromosome ...
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76 Semen Definition & Meaning - Merriam-Webster
https://www.merriam-webster.com/dictionary/semen
The meaning of SEMEN is a viscid whitish fluid of the male reproductive tract consisting of spermatozoa suspended in secretions of accessory ...
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77 Where is sperm made and stored in the body? What about ...
https://youngmenshealthsite.org/askus/where-is-sperm-made/
Sperm is the male gamete or sex cell. Sperm contain the genetic information of sex-assigned at birth males. Semen is fluid that contains both ...
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78 What is Sperm DNA Testing | - LA IVF Clinic
https://laivfclinic.com/blog/what-is-sperm-dna-testing/
Sperm DNA contains the genetic material you, as the father, contribute to the creation of your child. Your mother's eyes, your brother's ...
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79 SPERM | English meaning - Cambridge Dictionary
https://dictionary.cambridge.org/dictionary/english/sperm
Meaning of sperm in English ... a sex cell produced by a man or male animal: In human reproduction, one female egg is usually fertilized by one ...
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80 What Happens to Sperm After a Vasectomy? - GoodRx
https://www.goodrx.com/conditions/fertility/sperm-after-vasectomy
A vasectomy is a procedure that blocks sperm from getting into the semen. Learn how vasectomies work, and what happens to the sperm in the ...
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81 Sperm counts drop globally: What's impact on fertility, men's ...
https://www.usatoday.com/story/news/health/2022/11/15/sperm-counts-decrease-men-health-exposure-fertility/10668233002/
Sperm count is a imperfect measure of fertility, but there is a threshold below which a low sperm count affects the chances of reproduction. On ...
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82 How does sperm formation take place? - Vinmec
https://www.vinmec.com/en/news/health-news/how-does-sperm-formation-take-place/
In humans, sperm are male gametes, carrying a haploid set of 23 chromosomes. During fertilization, the 23 chromosomes of the sperm combine with the 23 ...
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83 Composition of Semen - LabCE.com, Laboratory Continuing ...
https://www.labce.com/spg62816_composition_of_semen.aspx
Semen is a substance produced by the male reproductive organs. It is composed of spermatozoa in a semi-viscous fluid. Structures within the male ...
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84 What might it mean if a man's semen color changes? - ISSM
https://www.issm.info/sexual-health-qa/what-might-it-mean-if-a-man-s-semen-color-changes
Men typically ejaculate semen that is a whitish-gray. But sometimes, they notice slight changes in semen color and consistency based on the ...
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85 What is Sperm Viscosity and how does it affect my Fertility
http://www.andrologycenter.in/2020/04/02/what-is-sperm-viscosity-and-how-does-it-affect-my-fertility/
Under normal conditions, fresh semen liquefies due to the action of enzymes. These enzymes break down the gelatinous structure of the semen, ...
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86 Does COVID-19 Affect Male Fertility? - Houston Methodist
https://www.houstonmethodist.org/blog/articles/2021/aug/does-covid-19-affect-male-fertility/
Researchers have been monitoring COVID-19's impact on male fertility since the early days of the pandemic. Here's what we know so far.
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87 This Is What Healthy Sperm Should Look Like - Men's Health
https://www.menshealth.com/health/a19546830/7-signs-of-healthy-semen/
According to the World Health Organization, a normal semen analysis consists of a sperm concentration of about 16 million/cc semen, a motility ...
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88 Egg meets sperm (article) | Embryology - Khan Academy
https://www.khanacademy.org/test-prep/mcat/cells/embryology/a/egg-meets-sperm
The proteins are stored in a cap at the front of the sperm known as an acrosome - this is the part that first contacts the egg. The tail is called a flagellum, ...
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89 How Fertilization Happens - What to Expect
https://www.whattoexpect.com/getting-pregnant/fertility/how-fertilization-happens.aspx
Fertilization is when a man's sperm combines with a woman's egg to form a single cell. It's one of the first steps toward pregnancy, but there ...
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90 How we solved the mystery of the human sperm tail
https://theconversation.com/how-we-solved-the-mystery-of-the-human-sperm-tail-and-what-it-could-mean-for-the-future-of-ivf-113695
This all takes place before a sperm can penetrate another thick protective layer that surrounds the egg. All this may sound excessively ...
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91 Male reproductive system | healthdirect
https://www.healthdirect.gov.au/male-reproductive-system
Testes (or testicles) — these are a pair of egg-shaped glands that sit in the scrotum, on the outside of the body. They produce sperm and testosterone, which is ...
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92 The truth about male fertility decline
https://extendfertility.com/male-fertility-decline/
Jul 18, 2018 —
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93 Explore the Difference Between Sperm and Ovum - Byju's
https://byjus.com/biology/difference-between-sperm-and-ovum/
More specifically, sperm is the male gamete while the ovum is the female gamete. These two cells also have contrasting size – for instance, the ...
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94 How Age Matters For Your Fertility
https://www.yourfertility.org.au/everyone/age
The amount of semen (the fluid that contains sperm) and sperm motility (ability to move towards an egg) decrease continually between the ages of ...
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