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The term sperm refers to the male reproductive cells. In the types of sexual reproduction known as anisogamy and oogamy, there is a marked difference in the size of the gametes with the smaller one being termed the "male" or sperm cell. The human sperm cell is haploid, so that its 23 chromosomes can join the 23 chromosomes of the female egg to form a diploid cell.
Impact of COVID-19 on sperm quality

Impact of COVID-19 on sperm quality

New drug candidates for male birth control may be on the horizon

New drug candidates for male birth control may be on the horizon

Study identifies risk factors that increase Black men's susceptibility to early-onset prostate cancer

Study identifies risk factors that increase Black men's susceptibility to early-onset prostate cancer

Common chemotherapy drug could carry toxic inheritance for future generations of cancer survivors

Common chemotherapy drug could carry toxic inheritance for future generations of cancer survivors

Does a vasectomy change the semen microbiome?

Does a vasectomy change the semen microbiome?

Genetic differences can affect the swimming behavior of sperm cells, study shows

Genetic differences can affect the swimming behavior of sperm cells, study shows

Increased paternal age may give rise to disease in the new generation

Increased paternal age may give rise to disease in the new generation

Post-‘Roe,’ contraceptive failures carry bigger stakes

Post-‘Roe,’ contraceptive failures carry bigger stakes

Ancient viral DNA in human genomes protects cells against present-day viruses

Ancient viral DNA in human genomes protects cells against present-day viruses

What is the efficacy of RT-PCR assays for detection of SARS-CoV-2 in human semen?

What is the efficacy of RT-PCR assays for detection of SARS-CoV-2 in human semen?

How does COVID-19 and its treatment affect testicular function?

How does COVID-19 and its treatment affect testicular function?

Monkeypox virus infection and its persistence in the testes of infected crab-eating macaques

Monkeypox virus infection and its persistence in the testes of infected crab-eating macaques

Remnants of ancient viruses in the human genome are active in normal tissues

Remnants of ancient viruses in the human genome are active in normal tissues

Scientists detect monkeypox virus in the testes of macaques during acute infection

Scientists detect monkeypox virus in the testes of macaques during acute infection

Review on COVID-19 biomedical waste-derived microplastic toxicity

Review on COVID-19 biomedical waste-derived microplastic toxicity

Age plays a more important role than genetics in affecting gene expression profiles as we get older

Age plays a more important role than genetics in affecting gene expression profiles as we get older

Oxytocin induces epicardial cell proliferation, study finds

Oxytocin induces epicardial cell proliferation, study finds

Love hormone can activate heart repair mechanisms after cardiac injury, study finds

Love hormone can activate heart repair mechanisms after cardiac injury, study finds

What is the risk of hypertensive disorders in pregnancies after assisted reproduction?

What is the risk of hypertensive disorders in pregnancies after assisted reproduction?

Study shows how a common epigenetic modification can be transmitted across multiple generations

Study shows how a common epigenetic modification can be transmitted across multiple generations