Female Reproduction

Primordial Follicle

• Decrease in # as female matures

• present at Birth

• single layer with pre-granulosa cells

Primary Follicles

• Single layer of cuboidal granulosa cells

• remain until puberty

• most never ovulate & undergo atresia

Secondary Follicles

• few layers of granulosa cells

• formation of Zona Pellucida

• Theca Interna & externa

Tertiary Follicle

• many layers of granulosa cells and theca

• maturing

• Antrum Formation

  • fluid filled space

  • liquid folliculi

Graafian Follicle

• similar structure

• capable of ovulation

• dependent on LH

Corpus Hemorrhagicum (CH)

• newly ruptured follicle

• blood clot

Corpus Lutem (CL)

• develop into luteal cells to produce progesterone

• temp. endocrine gland

Corpus Albican (CA)

• remains after Cl regresses

• white body

What type of uteri do cows, ewe, sow, and mares have?

Bicornuate uteri

What is the function of the uterus?

• Luteolysis hormone: PGF2alpha

• control of cyclicity

What animals have a duplex uterus?

• marisupals and rabbits

• function independently

What Cervix does a cow have?

annular rings

What cerix does a ewe have?

annular rings

What cervix does a sow have?

corkscrew

What cervix does a mare have?

longitudinal folds

Vu!va

• external tissue of female reproductive tract and receives penis during copulation