chapter 1 document 4 Flashcards
1
Q
what is Spermatogenesis
A
is a process that takes place in the seminiferous tubules of the testes to produce sperm cells
2
Q
where does spermatogenesis take place?
A
in the semini- ferous tubules in a centripetal direction.
3
Q
how long does it last
A
It lasts around 74 days and is a continuous process which produces millions of spermatozoa.
4
Q
how many phases
A
4
5
Q
Multiplication
A
characterized by successive mitotic divisions.
6
Q
Growth
A
characterized by cellular development.
7
Q
Maturation
A
characterized by meiosis.
8
Q
Spermiogenesis
A
characterized by sperm cell differentiation.
9
Q
extra
A
During their development, the · daughter cells of a spermatogonia stay attached to each oth er and in close contact w ith a Sertoli cell.
