ASCI 351 Midterm: ASCI Test 1 Notes
11 May 2017
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Urethral tubercle in dogs. small sphincter at urethra opening in vagina fornix where vagina + cervix meet functions: Cervix transports sperm, barrier to sperm (species dependent), reservoir for sperm, blocking bacterial invasion during pregnancy. Caruncles where the fetus will attach to the uterus. Simplex single uterine body. no uterine horn. primates. Duplex 2 cervices. maybe uterine horns. marsupials, rabbits. Bicornuate moderately developed or highly developed uterine horns. bitch, queen, sow, mare, cow. Uterine horn internal and external uterine bifurcation. Uterotubal junction where the isthmus connects to the uterus. Ampulla larger diameter than isthmus but thinner walls. Ampullary-isthmic junction infundibulum terminal end of oviduct. captures ovulated oocyte fimbriae finger-like projections. Ovary houses gametes (oocytes) and controls hormonal production of estrogen and progesterone. Ovarian bursa between middle of ovary and mesosalpinx. Estrogen from follicle dictates estrus/follicular phase (day 0) Germinal epithelium contributes to 85% of ovarian cancers.
