FEMALE REPRODUCTIVE SYSTEM I • ovary (ovarium, oophoron) • oviduct (tuba uterina, tuba Fallopii, salpinx) • uterus (uterus, metra, hystera) ovary-cat medulla primordial follicles secondary f. atretic f. cortex primordial and primary unilaminar follicles ovary-human cortex-cellular connective tissue atretic secondary follicle tunica albuginea ovary-cat Graafian f. secondary f. atretic f. primordial f. primordial f. primary multilaminar follicle ovarian follicle -TEM oocyte nucleus oocyte cytoplasm follicular cells fibroblasts venule secondary follicle Graafian follicle cumulus oophorus oocyte antrum folliculi+liquor atretic f. secondary f. primary f. membrana granulosa cellular connective tissue theca f. interna theca f. externa germinative epithelium membrana granulosa capillaries estrogens synthesis antrum folliculi+liquor oocyte during 1st meiotic division 30 μm 130 μm oocyte during ovulation ovary-corpus luteum corpus luteum corpus albicans ovary-corpus luteum blood coagulumgranulosalutein cells theca-lutein cells tuba uterina-ampulla http://tr-i-life.tumblr.com/ mucosa- folds muscularis externa serosa mesothelium tuba uterina-ampulla tuba uterina-isthmus mucosa muscularis externa serosa Ovarian and menstrual cycle endometrium myometrium 3-4 mm Endometrium – proliferative phase – glandulae uterinae Endometrium – proliferative phase – arteriae helicinae, connective tissue stroma rich in cells uterine glands myometrium Endometrium – early secretory phase 5-7 mm Endometrium – midsecretory phase Cervix uteri vagina portio vaginalis cervicis uteri cervical glands – cervical mucus endometrium tunica muscularis Portio vaginalis cervicis uteri - squamocolumnar junction simple columnar epi (endocervix) stratified squamous epi (ectocervix) FEMALE REPRODUCTIVE SYSTEM I Slides: 42. Ovarium 43. Ovarium – cat 44. Corpus luteum 45. Tuba uterina – ampulla 46. Tuba uterina – isthmus 47. Uterus – proliferative phase 48. Uterus – secretory phase Atlas EM: Human primary ovarian follicle (72) From gametes to early embryo (74)