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GlossarySpermatozoa

male reproductive cells responsible for fertilizing female eggs

Spermatozoa, commonly known as sperm cells, are the male reproductive cells responsible for fertilizing the female egg (ovum) during sexual reproduction. Each spermatozoon is highly specialized, featuring a head that contains genetic material (DNA), a midpiece packed with energy-producing mitochondria, and a tail (flagellum) that propels the cell forward.

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Spermatozoa and Chronic Treatment with Finasteride: A TEM and FISH Study

research Spermatozoa and Chronic Treatment with Finasteride: A TEM and FISH Study

23 citations , January 2007 in “Archives of Andrology”

Finasteride may negatively affect male fertility.

research Clinical Corner: Case Report Spermatozoa and Chronic Treatment with Finasteride: A TEM and FISH Study

January 2007

Long-term finasteride use may affect sperm structure and chromosomes.

research The Effect of Chitosan/Alginate/Graphene Oxide Nanocomposites on Proliferation of Mouse Spermatogonial Stem Cells

11 citations , November 2023 in “Journal of Functional Biomaterials”

The ALGCS/GO30 scaffold effectively boosts mouse spermatogonial stem cell growth.

SARS-CoV-2 Infection Reduces the Number of Spermatogonial Stem Cells and Dysregulates the Transcriptional Landscape of the Human Testis

research SARS-CoV-2 infection reduces the number of spermatogonial stem cells and dysregulates the transcriptional landscape of the human testis

April 2026 in “Research Square”

COVID-19 can harm male fertility by reducing sperm stem cells and damaging testicular function.

research Fatty acid composition of selected organs of gerbils maintained on a fat‐deficient or fat‐supplemented diet

4 citations , September 1977 in “Lipids”

Gerbils on a fat-deficient diet had altered fatty acid levels, hair loss, reduced sperm, and lower body weight.

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