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Vet 217 BRCC
Rodents
30
Veterinary Medicine
Undergraduate 2
02/15/2010

Additional Veterinary Medicine Flashcards

 


 

Cards

Term
Seven classifications of Taxonomy
Definition
Kingdom, phylum, class, order, family, genus, species
Term
Rodentia
Definition
order of rodents, largest order, located worldwide, hindgut fermenters, hind limbs > fore limbs, large eyes, prominant ears, most build nests, like to gnaw and chew, have a Harderian gland behind the eye, rarely vomit, have a simple stomach with large cecum and colon, herbivorous, copophagic, high metabolic rate, no sweat glands and unable to pant, open rooted incisors (some have open rooted molars as well), no premolars or canines
Term
Harderian Gland
Definition
The gland located behind the eye of rodents which secretes lubricants to the eye
Term
Capybara
Definition
Largest rodent in the world
Term
Beaver
Definition
Largest rodent in North America
Term
Signs of overheating in Rabbits
Definition
Salivation and licking forelegs to cool off, cannot pant or sweat, prostrating self, and seizures
Term
Open-rooted
Definition
teeth that grow continuously throughout the life of the animal
Term
Diastema
Definition
The gap between the incisors and molars of rodents (have not canines or premolars)
Term
Anogenital distance
Definition
The distance between the anus and the genital papilla, primary way of sexing rodents, males typically have 2x the distance of females
Term
Mus musculus
Definition
"domestic mouse", most common animal in research, ~3 yr lifespan, weigh ~ 30g
Term
Inbred strains
Definition
strains that have parent x offspring or brother x sister for at least 20 generations, they are homozygous and have nearly identical DNA
Term
Nude Mice
Definition
Hairless, have no thymus, used in tumor research
Term
Bruce Effect
Definition
Recently bred mice abort if exposed to a strange male
Term
Whitten effect
Definition
females housed together with no male go into anestrous and syncronize estrus
Term
Blood collection sites (Mice)
Definition
Orbital sinus, cephalic, lateral tail vein, cardiac puncture
Term
Injection sites (Mice)
Definition
SQ, Intraperitoneal (IP)
AVOID IM
Term
Gavage
Definition
Using a dosing needle to force feed an animal. The dosing needle inserts down the throat and into the stomach.
Term
Clinical Signs of Pneumonia
Definition
Teeth chattering, dyspnea, weight loss, conjunctivitis
Term
Causes of Pneumonia
Definition
Virus: Sendai virus - most common
Bacterial: Mycoplasma, Bordetella, Pasturella, Klebsiella
Term
Helicobacter sp.
Definition
Bacteria causing hepatitis and inflammatory bowel disease
Term
Tyzzer's Disease
Definition
Caused by Clostridium piliforme, seen in young and stressed animals, signs are diarrhea, dehydration, anorexia, sudden death, common in pet shop animals, post mortem shows milliary pale foci in liver, seen in Mice, Gerbils, Rabbits
Term
Staph/Strep
Definition
Seen with dermatitis, bite wounds, conjunctivitis, pharyngitis, and cervical lymphadenitis
Term
Cervical lymphadenitis
Definition
swelling under jaw
Term
Mouse Hepatitis Virus
Definition
caused by coronavirus, highly contagious, common in research colonies, does not persist, stop breeding for 8-15 weeks until it resolves
Term
Epizootic Diarrhea of Infant Mice (EDIM)
Definition
Rotovirus, occurs in young animals 1-3 wks old, causes stunted growth and soft yellow feces
Term
Lymphocytic Choriomeningitis
Definition
flu-like symptoms, zoonotic
Term
4 Bacterial Diseases in Mice
Definition
Pneumonia, Helicobacter, Tyzzer's Disease, Staph/Strep
Term
8 Viral Diseases in Mice
Definition
Sendai Virus - m.c. cause of Pneumonia
Mouse Hepatitis Virus (Coronavirus)
EDIM (Rotovirus)
Lymphocytic Choriomeningitis
Ectromelia (pox virus)
Parvovirus
Encephalomycarditis virus
Hantavirus (zoonotic, wild mice, SW US)
Term
Babering
Definition
Dominant mouse chews the hair on other mice, see rough coat and skin lesions, perpetrator is unaffected
Term
Mammary Tumors
Definition
Most common squamous cell tumor in mice, most are malignant, seen in older mice
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