Repro 2 Flashcards
what is a persistent hymen?
where the paramesopnephric duct has failed to make a proper connection to the urogenital sinus
what is this showing?
persistent hymen
what is this showing?
segmental aplasia of the paramesonephric duct leading to aplasia of the uterine horn
what is uterus didelphys?
failure of the paramesopnephric ducts to fuse resulting in duplication of te cervix and uterine body
what is this showng?
uterus didelphys
what are periovarian cysts?
cysts that occur external to the ovary, most common in mares, and they are reminants of the paramesopheric or mesonephric ducts
what is this
a cystic reminant of the parasmesonephric duct (periovarian cyst)
what are epithelial inclusion cysts and what is their impact? what is their pathogenesis?
they epithelial onclusion cysts that occur in mares, usually around the ovulation fossa
the surface epithelium is pinched off during ovulation and embedded into the stroma, they accumulate fluid and enlarge interfering with ovulation and causing infertility
what is cystic rete ovarii?
a type of intraovarian cyst common in dogs, cats, and guinea pigs esp, it is a reminant of the rete ovarii from mesonephric tubules, usually incidental
what is this
epithelial inclusion cysts in a mare
what is this?
cystic rete ovarii
what are cystic ovarian follicles?
they are follicles that never ovulate, happens in dairy cows and sows, in cows it causes cystic ovarian disease
what is cystic ovarian disease? what is the cause?
cows that have a cystic ovarian follicle bigger than 2.5cm and persists for more than 10 days, can see nymphomania but can also see anestrus
cause: failure of preovulatory LH surge
what is this?
cystic tertiary follicle
what are the 3 main groups of ovarian neoplasias?
germ cell neoplasias, sex cord stromal neoplasms, and epithelial neoplasms
what is a teratoma?
a arare and benign tumor happening in the ovary s a result of 2-3 germ layer differentiation, it can include hair, bone, cartilage, and teeth
what is this?
ovarian teratoma
what are granulosa cell tumors? who gets them and what do they do?
most common ovarian tumor of large animals, usually unilateral and benign, and they are hormonally active
what are the 3 behavior patterns of granulosa cell tumors?
nymphomania, stallion like behavior via testosterone, and anestrus
granulosa cell tumors look like
swiss cheese
what is this in a mare ovary?
granulosa cell tumor
ovarian carcinoma is common in? what is the cause? how do they look?
common in the dog, cause unknown, multifocal and bilateral
these are dog ovaries, what is this?
ovarian carcinoma
what is the term for:
- inflammation of the uterine tubes
- pus filled uterine tube
- distention of uteine tube with clear watery fluid
salpingitis
pyosalpinx
hydrosalpinx
how do ewes get cystic endometrial hyperplasia?
ingestion of estrogenic clover
for the bitch and queen, _____ is a common response of the uterus in diestrus. The influence of ________ primes the endometrium so that ________
cystic endometrial hyperplasia
progesterone
inflammation/irritation causes hyerplasia