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What is spermatogenesis?
The process by which male gametes (sperm) are produced from germ cells in the testes.
Where does spermatogenesis occur?
The seminiferous tubules of the testes.
What is the first stage of spermatogenesis?
Mitotic division of spermatogonia to produce primary spermatocytes.
What are spermatogonia?
Diploid germ cells that undergo mitosis to produce sperm.
What follows the division of primary spermatocytes?
Primary spermatocytes undergo meiosis to form secondary spermatocytes.
What is the role of secondary spermatocytes?
Secondary spermatocytes further divide to produce 4 spermatids.
What are spermatids?
Haploid cells that develop from secondary spermatocytes and eventually mature into sperm.
What process transforms spermatids into mature sperm?
spermiogenesis.
What is spermiogenesis?
The process where spermatids undergo morphological changes to become spermatozoa.
How long does spermatogenesis take?
About 64 to 74 days to complete.
Which part of a sperm cell contains the nucleus
The head
How much sperm can a male produce in a lifetime
300 to 500 million
What are mature sperm called?
Spermatozoa (sperm)
What is the acrosome?
Cap-like structure on the head of a sperm that contains enzymes essential for penetrating the oocyte.
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