Podcast
Questions and Answers
What is the name of the cells that produce specialized sperm in the seminiferous tubules of the testes?
What is the name of the cells that produce specialized sperm in the seminiferous tubules of the testes?
- Sertoli cells
- Germ cells (correct)
- Leydig cells
- Interstitial cells
How long does it take for spermatogenesis to develop from spermatogonium to mature sperm?
How long does it take for spermatogenesis to develop from spermatogonium to mature sperm?
- 14 days
- 28 days
- 64 days (correct)
- 90 days
What happens after mitotic division of spermatogonia?
What happens after mitotic division of spermatogonia?
- Both daughter cells form sperm
- Both daughter cells remain undifferentiated
- One daughter cell remains undifferentiated while the other forms sperm (correct)
- One daughter cell forms sperm and the other forms eggs
What are primary spermatocytes?
What are primary spermatocytes?
What is the name of the process by which spermatogonia proliferate?
What is the name of the process by which spermatogonia proliferate?
How many daughter cells are produced after mitotic division of spermatogonia?
How many daughter cells are produced after mitotic division of spermatogonia?
What is the name of the cells that support the development of germ cells into spermatozoa?
What is the name of the cells that support the development of germ cells into spermatozoa?
What is the ploidy of spermatozoa?
What is the ploidy of spermatozoa?
What is the name of the process by which spermatocytes divide to produce spermatids?
What is the name of the process by which spermatocytes divide to produce spermatids?
How many sperm may reach maturity daily?
How many sperm may reach maturity daily?
What is the name of the stage in which different stages of sperm development can be observed in the layers of germ cells?
What is the name of the stage in which different stages of sperm development can be observed in the layers of germ cells?
What is the name of the cells that produce testosterone in the testes?
What is the name of the cells that produce testosterone in the testes?
Study Notes
- Spermatogenesis produces specialized, mobile sperm in the seminiferous tubules of the testes.
- Two important cell types are present: germ cells and Sertoli cells.
- Germ cells proliferate and develop into specialized, haploid spermatozoa.
- Different stages of sperm development can be observed in the layers of germ cells.
- Spermatogenesis takes 64 days for development from spermatogonium to mature sperm.
- Mitotic proliferation of spermatogonia provides a continual supply of new germ cells.
- After mitotic division, one daughter cell remains undifferentiated while the other forms sperm.
- Primary spermatocytes are formed through mitotic division and enter a resting phase before the first meiotic division.
- Meiosis and packaging are also important stages of spermatogenesis.
- Up to several hundred million sperm may reach maturity daily.
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