Histology - Female Flashcards
ovary attached to?
posterior face of broad ligament
Ovary is anchored by 2 ligaments?
Ovarian to uterus
Suspensory to pelvic wall
oocytes are where in the ovary?
outer cortex of ovary
what is the cortical stroma of the ovary made of?
CT
scattered smooth muscles
ovarian surface has what kind of cells?
simple epithelium squamous or cuboidal
what is deep to the ovarian surface epithelium?
tunica albuginea
70% of ovarian tumours come from which layer?
ovarian surface epithelium
how many oocytes at birth?
0.5 million
how many oocytes in embryo ovary??
5 million
oocyte arrested in?
prophase of meiosis 1
primordial oocytes surrounded by?
follicle cells surrounded by basal lamina (type IV collagen)
primary oocyte is surrounded by what within follicle cell layer?
zona pellucida
enlarging primary oocyte: what happens to follicular cells?
become cuboidal, multilayered granulosa cells
what surrounded the granulosa cells in primary oocytes?
stromal cells that become theca interna and externa
what happens in secondary follicle? appearance?
Antrum forms
suspended on stalk of grnulosa cells
after release of oocyte, what do the granulosa cells form around it?
corona radiata
mature follicle callled?
Graafian follicle (1cm)
What happens to oocyte under LH surge?
complete meiosis 1, becomes secondary oocyte
how is corpus luteum formed?
stromal, granulosa and thecal cells invade cavity,
why is corpus luteum yellow?
lipid as precursor to sex steroids
expanded opening of fallopian tube?
infundibulum
describe the Ampulla of fallopian tube
ciliated and mesothelium