False Page 545 Essentials of Human Anatomy and Physiology
Motivation!
Walter Stalker Greaves has written: 'Functional anatomy of the Merycoidodont head (Mammalia: Artiodactyla)'
functional significance
Colne, Lancashire
It depends on who has authority in the particular area concerned. This may be the head of a regional or local budy or of a functional department.
spermatogonia ----> spermatocytes ------> spermatids -----> sperm
Spermatid is an immature sperm cell where a spermatoza is a mature sperm cell.
Developing sperm are known as spermatocytes which develop into spermatids. Mature sperm are known as spermatazoa.
each spermatid has the correct chromosomal number for fertilization (n), but is nonmotile.
sperm
4 spermatids
Ten spermatozoa will be produced from ten spermatids. Egg cells are not formed from spermatids.
4 spermatids are formed from one primary spermatocyte.
The final products of spermetagenesis are 16 spermatids and end products of oogenesis are 1 ovum and 3 polar bodies.
The sperm mother creates thousands of sperm cells every minute
Four
epididymis