Path Final - Newton Flashcards
Female and male repro Tricias
What defines a true hermaphrodite?
has gonads of both sexes (ovotestes)
What breed of goats get XX sex reversal? (Polled Intersex Syndrome)
saanan and toggenburg
What breed of dog most commonly gets XX sex reversal?
cocker spaniel
What is an XX sex reversal dog missing?
SRY gene
What is the pathogenesis of androgen insensitivity (testicular feminization of horses)?
- Androgens produced, but cells has no receptors or can’t respond, or
- lack of 5-alpha-reductase
regression of both Wolffian & Mullerian-duct derived organs
External genitalia is female
What breed of dog gets persistent mullerian duct syndrome (PMDS)?
mini schnauzers
What are the lesions associated with PMDS?
cryptorchid, persistence of Mullerian ducts
What species most commonly gets ovarian HYPOplasia?
Cattle
Swedish Highland
What disease can cause hemoperitoneum and is seen in the follicular cysts of the bitch and atretic follicles of cows?
intrafollicular hemorrhage
What virus causes viral oophoritis?
BVD
What are paraovarian cysts made of?
remnants of either mesonephric or paramesonephric tubules or ducts
What species most commonly get cystic rete ovarii (cystic tubules)?
bitch and queen
What is the most common intraovarian cyst in the mare?
epithelial inclusion cyst - epithelium trapped during ovulation
What are the different types of cystic ovarian disease?
anovulatory follicles (follicular, leuteinized cysts) ovulatory follices (cystic corpora lutea)
What defines a follicular cyst (cystic graffian follicle)?
greater than 25 mm, persists longer than 10 days
What is the cause of a follicular cyst and luteal cyst?
failure of mature follicle to rupture and ovulate –> LH release is altered
What defines a luteal cyst?
single, luteal tissue present
What ovarian cyst in cows is non-pathologic?
cystic corpora lutea
What are predisposing factors for ovarian cysts in cattle?
genetics, high milk yields, negative energy balance in early postpartum
What germ cell neoplasm of the ovary is analogous to the seminoma in the testicles?
dysgerminoma
What species get ovarian teratomas? What do they arise from?
bitches
primoridal germ cells
What species get granulosa cell neoplasms in the ovary?
mare and cow
What are some clinical signs of cystadenomas/carcinomas?
bitches - ascites
sometimes bilateral
What is inflammation of the oviduct called?
salpingitis
What is the term for accumulation of pus in the oviduct?
pyosalpinx
What can cause hydrosalpinx?
obstruction of oviduct lumen by fibrosis, etc
often follows chronic salpingitis
What is perisalpingeal adhesions secondary to?
peritonitis, severe salpingitis
What developmental abnormality is seen of the uterus in shorthorn cattle?
segmental aplasia (white heifer dz)
Where are the fixed points of cow uterus?
mesovarium, cervix
What happens in uterine torsion of dogs and cats?
only one horn twists - no intercorneal ligament
What conditions is prolapse of the uterus associated with?
dystocia, uterine atony, retained placenta, milk fever
Where can rupture of the uterus occur?
uterine body adjacent to pelvic brim
When is infection of the uterus most common?
postpartum after abnormal partruition (abortion)
What species gets post coital endometritis?
mares with poor conformation
What is it called when all layers of the uterine wall are infected?
metritis
What is the term for inflammation of uterine serosa?
perimetritis
What is the term for inflammation of the uterine suspensory ligaments?
parametritis
What conditions is atrophy of the uterus associated with?
inactive ovaries, pituatary problems, old age, seasonal
What species most commonly get hyperplasia of the uterus (3)?
dog, cat, sheep
What are the different causes of hyperestrogenism leading to uterine hyperplasia in each species?
Ewe - estrogenic pasture
Cow - cystic follicles, granulosa cell tumor, estrogenic pasture
sow - mycotoxin in feed
What are the causes of hyperPROGesterone leading to uterine hyperplasia in different species?
dog - retained CL, pseudopregnancy, iatrogenic
cat - retained CL
dog, cat, mares - ovarian tumors
What term is used for the hyperplastic growth of endometrial glands seen in dogs?
adenomyosis