embryology Gametogenesis

PGC

Primordial Germ Cells
What are gametes derived from?

Primordial Germ Cells
Where do the PGC's migrate into before being developed into testies or ovaries

Indifferent gonads or urogenital ridge
The development of the testies is directed by?

Sry gene, Testosterone, and Mullerian-inhibiting Factor(MIF)
When does spermatogenesis begin?

Puberty
When does oogenesis begin?

Birth
What is a primitive male germ cell called?

Spermatogonia
What is contained in the Acrosome?

Contains Enzymes
What part of the spermatozoa stores the haploid nucleus?

Head
When does oogonia enter meiosis I?

At birth, stays arrested in meiosis I
When does the primary oocyte finish meiosis I and enter II?

After puberty
When does secondary oocyte complete meiosis II?

After fertalization
What protects the oocyte?

Follicular cells
What are the stages of a follicular cell?

Primordial follicles, primary follicles, secondary follicles
what does a secondary follicle become after ovulation?

Corpus Luteum

Author

bradley.knox

179491

Card Set

embryology Gametogenesis

Description

embryology Section 1

Updated

2012-11-08T02:18:23Z