Repro ()

• Female: which ducts/tubules regress and develop? Why is this important?

  -Mullerian duct develops into the infundibulum, uterine tube, uterus, cervix, vagina, vulva

  
  

  -Wolfian duct is inhibited but remnants can become cysts (cystic rete ovarii)
• Male: which ducts/tubules regress and develop? Why is this important?


  -Wolfian duct develops into epididymis, ductus deferens, seminiferous tubules

  
  

  -Mullerian duct is inhibited but remnants can be seen (appendix testis in horses, Persisten Mullerian duct syndrome in mini schnauzers)
• Leydig cells (interstitial endocrine cells) are a major source of what hormone?


  testosterone
• Granulosa and theca cells work together to produce what hormone?


  estrogen
• What two conditions predispose an animal to pyometra?


  -cystic endometrial hyperplasia

  -endometrial polyps
• What hormone is involved with pathogenesis of pyometra?

  progesterone
• What are the gross features associated with the female freemartin?


  -internal genitalia have bulbourethral and vesibular glands

  -short, incomplete segments of uterus

  -small ovaries

  -small vulva, vagina

  -prominent clitoris

  
• What is the origin of cystic rete ovarii?

  mesonephric tubule
• What is the most common ovarian cyst in dogs and cats?

  cystic rete ovarii
• What is the origin of an inclusion cyst?

  ovarian epithelium
• What is the most common ovarian cyst in mares?

  inclusion cyst
• What is the origin of SES (subsurface epithelial structures)?

  normal invagination of ovarian epithelium
• What species do ovarian SES only occur in?

  dogs
• What is the origin of cystic follicles (follicular cysts)?

  Graafian follicle

  
• From what cell type can ovarian cystic adenoma and adenocarcinoma develop?

  SES
• Which is not associated with a bacterial process: mummification or maceration?

  mummification
• What is a common cause of mummification in horses?

  twinning
• What are some causes for mummification or maceration in pigs?

  -parvo

  -PRRS

  -PCV-2
• What is the lung pattern for bronchopneumonia in the adult bovine?

  cranioventral
• What is the lung pattern for bronchopneumonia in the fetal bovine?

  multifocal
• Name abortifacient pathogens that are zoonotic (worksheet says to name 6, she gave us 10 to choose from).

  1. Brucella spp.

  2. Listeria spp.

  3. Leptospira spp.

  4. Salmonella spp.

  5. Ureaplasma spp.

  6. Cache Valley Virus

  7. Coxiella burnetii

  8. Toxoplasma gondii

  9. Campylobacter spp.

  10. Chlamydophila spp.
• What animals have cotyledonary placentation?

  ruminants

  
• What animals have zonary placentation?

  dogs, cats, elephants, bears

  
• What animals have discoid placentation?

  mice, rats, non-human primates

  
• What animals have diffuse placentation?

  horses, pigs

  
• What are the gross features, predispositions, and possible sequelae for sertoli cell tumors?


  gross: large, solid, white, multilobulated, firm (micro=fibrosis)

  predisposition: cryptorchid

  sequelae: feminization syndrome
• What is the 3rd most common testicular neoplasm in dogs?

  sertoli cell tumor
• What are the gross features, predispositions, and possible sequelae for interstitial (leydig) cell tumors?


  gross: yellow to orange with areas of hemorrhage (micro=foamy cells)

  predisposition: NOT CRYPTORCHID!!!!

  sequelae: possibly feminization (about 5%)
• What are the gross features, predispositions, and possible sequelae for seminomas?


  gross: lobulated, gray-white, soft, bulges on cut

  predisposition: cryptorchidism

  sequelae: no hormone production
• What is the most common testicular neoplasia in dogs and bulls?

  interstitial (leydig) cell tumor
• What is the 2nd most common testicular neoplasia in dogs and the most common testicular neoplasia in horses?

  seminomas
• What is an important neoplasm of the penis in dogs?

  transmissible venereal tumor
• What is an important neoplasm of the penis in horses?

  squamous cell carcinoma (equine papillomavirus 2 causes)

  
• What is an important neoplasms of the penis in bulls?

  fibropapilloma (bovine papillomavirus 1 causes)
• What venereal etiology could cause this appearance?

  Transmissible venereal tumor (TVT)

  
• In the chicken, which oviduct and ovary are most likely to develop?

  left

  
• What are the samples to be taken from the fetus for abortion testing?

  -fresh/fixed placenta (fresh = histo, fixed = PCR/culture)

  -fresh lungs, stomach/abomasal fluid, liver, eye/ocular fluid

  -fixed tissues in formalin also
• What are the samples to be taken from the dam for abortion testing?

  serum
• What are some misc. samples that can be taken on a suspect base for abortion testing?


  -water source

  -feed

  -additives, etc
• What is being pointed at in this image?

  appendix testis