Spermatogenesis

Question 1

What is the term for sperm cells or mature male gametes?

Answer 1

Spermatozoa

Question 2

Where does spermatogenesis occur?

Answer 2

Highly convoluted seminiferous tubules.

Question 3

Where do the seminiferous tubules exist?

Answer 3

Testes

Question 4

What are the stem cells that line the seminiferous tubules called and what do they do?

Answer 4

Spermatogonia produce sperm (i.e. they differentiate into spermatozoa)

Question 5

Spermatogonia undergo _________ to form ___________

Answer 5

Mitosis to form either primary spermatocytes or more stem cells

Question 6

1st spermatocytes undergo _________ to form ___________

Answer 6

Meiosis I to form 2nd spermatocytes

Question 7

2nd spermatocytes undergo _________ to form ___________

Answer 7

Meiosis II to form immature haploid sperm cells called spermatids which mature surrounded by Sertoli cells.

Question 8

What happens after the spermatids mature in the Sertoli cells?

Answer 8

Mature spermatids are released into the lumen of the seminiferous tubules.

Question 9

Where to spermatids start to mature into spermatozoa?

Answer 9

Lumen of the seminiferous tubules.