Midterm Lezmi Flashcards

(82 cards)

1
Q

Structure that will become future female genital tract.

A

Paramesonephric duct

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2
Q

Structure that will become future male genital tract

A

Mesonephric duct

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3
Q

Term for the chromosomic sex is different than phenotype

A

Sex reversal

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4
Q

Term for animal with ambigious genitialia and has both gonadal tissues present

A

hermaphrodism

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5
Q

Term for animal that has ambigious genitalia but only a single type of gonadal tissue

A

pseudohermaphrodism

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6
Q

What species most commonly gets ovarian hypoplasia?

A

cows

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7
Q

What species most commonly gets periovarian cysts? What are they?

A

mares, remnants of embryonic ducts (hydatids)

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8
Q

What type of ovarian cysts do mares get?

A

epithelial inclusion cysts

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9
Q

What 2 type of cysts is most common in cows and sows?

A

crystic follicles - ovulation does not occur, cystic ovarian degeneration
cystic corpus luteum

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10
Q

What is the most common ovarian neoplasm in large animals?

A

granulosa cell tumor

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11
Q

What causes endometrial hyperplasia? What species?

A

chronic estrogen stimulation - cow, ewe, sow

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12
Q

What can happen to bitch uterus with progesterone production after estrus?

A

cystic endometrial hyperplasia

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13
Q

Term for endometrium in the myometrium.

A

Adenomyosis (cow, bitch, queen)

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14
Q

What is the most common agent of pyometra in the mare?

A

strep equi ssp. zooepidemicus

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15
Q

What species can get papillary adenomas/adenocarcinomas in the ovary?

A

dogs

bilateral, frequently metastasize

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16
Q

What causes endometritis in mares?

A

taylorella equigenitalis - reportable

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17
Q

What is the main cause of pyometra in dogs?

A

e coli

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18
Q

What type of neoplasm in dogs utererus is curable by excising it?

A

fibromatous polyps

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19
Q

What species commonly gets vaginal prolapse? What is the cause?

A

swine - mycotoxic hyperestrogenism

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20
Q

What agent of cow mastitis can cause gangrenous mastitis and death?

A

staph aureus

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21
Q

What is the agent of “summer mastitis” or “holstein udder plague”?

A

arcanobacterium pyogenes –>suppurative mastitis

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22
Q

What causes blue bag in sheep and goats?

A

mannheimia hemolytica

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23
Q

What are the 2 most common benign mammary gland neoplasms in dogs?

A

complex adenoma and benign mixed tumor

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24
Q

What percent of dog mammary neoplasms are benign vs malignant?

A

70% benign, 30% malignant

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25
What percent of cat mammary neoplasms are malignant/benign?
malignant 80%, benign 20%
26
What is the cotyledonary placenta made up of in ruminants?
placentome --> cotyledons of fetus and caruncles of dam
27
What species have "diffuse" placentas?
pigs and horses
28
What are two incidental findings of a placenta?
amniotic plaques | hippomane - equids
29
What causes fetal mummification in the bitch?
herpes
30
What causes fetal mummification in cows?
BVB virus, tirchomoniasis
31
What are the lesions seen in brucella abortion in cows?
thickening of intercotyledonary area, edema and fibrinecrotic inflammation, fetal pneumonia
32
What is seen in neospora abortion in ruminants?
fetal encephaltitis, necrotizing placentitis
33
What is characteristic of toxoplasma abortion in sheep?
cotyledons have hundreds of white foci of necrosis
34
What lesions are seen in herpes abortion in mares?
after 7 months, firm heavy lungs, gray foci in liver
35
What cells are the supporting cells of the testical?
sertoli
36
What cells produce testosterone in the testicle?
interstitial/leydig cells
37
What species most get testicular atrophy?
bulls and boars
38
What are causes of orchitis in the bull, ram, and boar?
bull and swine - brucella | ram - corynebacterium
39
What are 2 causes of granulamatous orchitis>?
myco bovis and blastomyces
40
What testicular tumor has a tan orange color and doesnt metastasize?
leydig cell tumor
41
What testicular tumr has a white, firm appearance and causes feminization?
sertoli cell tumor
42
What testicular tumor is gray, soft and has local invasiveness?
seminoma
43
What species get mesothelioma tumors in the testis?
dogs and bulls
44
What species get sperm granulomas in the epididymus?
dogs and rams, congenital
45
What are causes of prostatitis in dogs?
e coli, proteus, brucella
46
Term for dilation of pampiniform plexus. Happens in older rams.
varicoceles
47
What species gets testicular torsion?
stallion
48
Term for inflammation of glans penis?
balanitis
49
What species gets transmissible genital papilloma?
swine, papillomavirus
50
What viruses cause cerebellar hypoplasia?
parvo in cats, csf in swine, bvdv, border disease
51
Term for lack of development of gray/white matter
Hydranencephaly
52
What causes hydranencephaly in ruminants?
cows - bvd, akabane | sm ruminants - blue tongue, border, akabane
53
What cells are most affected in hepatic encephalopathy?
astrocytes - swell and retract processes
54
What age is colibacillosis seen in swine?
6-14 weeks
55
What are the two types of water deprivation syndrome?
direct - excessive sodium (ruminants) | indirect - water dep followed by rehydration (pigs)
56
What part of brain is most likely to be infarcted?
cerebral hemispheres
57
What causes ischemic myelopathy?
fibrocartilage embolism, dog, cat, horse
58
Term for axonal injury that induces swelling and degeneration of myelin sheet.
wallerian degeneration
59
When is wallerian degeneration reversible?
if endoneurium is preserved
60
What are the two types of traumatic myelomalacia?
``` vertebral instability (dynamic) vertebral stenosis (static) ```
61
What causes polioencephalomalacia?
vit b1 deficiency
62
Where does vit b1 deficiency make a lesion in monogastrics? ruminants?
mono - midbrain | ruminants - cortical edema/necrosis
63
What causes substantia nigra necrosis in horses?
nigro-pllidal encephalomalacia
64
What causes leuoencephalomalacia in horses?
mycotoxin, alteration in sphingolipid metabolism
65
What are some common causes of septicemic meningitis?
e coli for all species foals - strep, salmonella lam, calf - pasteurella/mannheimia, strep pig - strep suis, haemophilus parasuis, salmonella puppy - strep canis, bordetella, moraxella
66
What are the 3 syndromes of listeriosis in ruminants?
infection of uterus --> abortions septicemia with milliary visceral abscesses in neonates encephalitis in adult animals
67
What part of the brain does listeriosis affect?
cadual brainstem (medulla>midbrain>thalamus)
68
What is the unique histologic pattern of listeriosis?
perivascular cuffing, microabscesses
69
What causes thromboembolic meningoencephalitis in cattle?
histophilus somni
70
What is the hallmark of TEME in cattle?
vasculitis with secondary thrmobosis
71
What fungi are angiotropic and invade the brain?
aspergillosis and zygomycosis
72
What lesions are seen with aspergillosis and zygomycosis in the brain?
fungal hyphae, microabscesses, thrombosis, vasculitis
73
What is typical in cryptococcal meningoencephalitis?
cystic granulamatous lesions
74
What will be seen in blastomyces infection in the brain?
yeasts
75
What lesions are seen in canine distemper infections in the brain?
intranuclear inclusions in astrocytes and demyelination
76
What lesions are seen in maedi/visna infections?
lymphohistiocytic + marked demyelination in white matter
77
What types of dogs get granulomatous meningioencephalitis?
young to middle aged small breeds
78
What happens in GME in dogs?
accumulation of mononuclear cells around BV, marked glial rxn
79
What are the three forms of GME in dogs?
disseminated - acute focal form - solitary mass in cerebrothalamic region ocular form - acute, visual loss
80
What neoplasia in the brain has an infiltrative pattern leading to diffuse enlargement?
astrocytomas
81
Where can choroid plexus tumors form?
at level of lateral and fourth ventricles
82
What type of spinal cord tumor resembles a kidney?
thoracolumbar spinal cord tumor - rare in large breed dogs