Spermatogenesis

Question 1

In sf tubules

Answer 1

Lined with immature spermatogonia cells (2n). At puberty, they divide by mitosis creating cont source. Some pushed towards tubule in which they undergo growth

Question 2

The growth of the cell

Answer 2

Enlarged cells called spermatocytes (2n) undergo meiosis one produce secondary spermatocyte (n)

Question 3

2nd meiotic division

Answer 3

Divides secondary spermatocytes into spermatids (n), Statoil cells help mature. Process takes 72 days

Question 4

Matures

Answer 4

In the final stage when spermatids mature into spermatozoa, the cytoplasm is loss, and the tail form. This happens continuously after puberty

Question 5

Head

Answer 5

Nuclear material, fluid-filled vesicle at tep called acrosome containing enzyme to break egg

Question 6

neck

Answer 6

between head and middle piece

Question 7

Middle

Answer 7

mitochondria and around it is a thin layer of cytoplas,

Question 8

tail

Answer 8

contractile motions to propel it further