Structure of ovary and follicle development Flashcards
What does the ovarian artery arise from and at what level
Abdominal aorta at level of renal arteries
What drains the right ovary and what does this drain into
Right Ovarian vein which drains into the Inferior vena cava
What does the left ovary drain into and what does this drain into
Into left ovarian vein and this drains into the left renal vein
What does the ovarian artery anastomose with and what does this supply
Uterine artery to supply the uterus
What does the uterine artery anastomose with
Vaginal artery (branch of internal iliac)
What do the uterine artery and the vaginal artery branches of
Internal iliac
What does the ovarian artery give branches to
Fallopian tube
What does the vasculature of the female reproductive system allow
Rapid transfer of hormones from ovary to uterus and vagina which allows coordination of physiological and histological changes of all 3 structures during menstrual cycle
What anastomoses supplies the uterus
Uterine artery and ovarian artery
What anastomoses supplies the vagina
uterine artery and the vaginal artery
Where does gamete formation and follicle maturation occur in the ovary
In the cortex
What do Leydig cells in the ovary produce
testosterone
What happens in the first trimester of pregnancy (the stroll cells, mesenchymal cells and primordial germ cells (PGCs)
move From the yolk sac to the ovary and testis
What do PGCs in females give rise to oogonia
Spermatogonia in males
IN 5 weeks onwards, what do the migrated PGCs undergo
Mitotic divisions to form numerous oogonia
