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VT 2100 Hamsters
Question | Answer |
---|---|
Scientific name | Mesocricetus auratus |
most common hamster used | syrian -or- golden |
Pet hamsters | grey european dwarf |
Species variy based on | chromosome numbers physical characteristics |
life span | 18-36months |
male weight | 87-130g |
female weight | 95-130g |
Gestation | Shortest of all lab animals 15-18 days |
Free from | spontaneous dz |
only lab animal that | hibernates |
Have no ____ teeth | deciduous |
molars are | rooted |
what resembles human molars | tooth crowns |
cheek pouches extend to the | back to shoulder region |
Cheek pouches are considered | immunologically privileged |
Why are cheeks considered immunologically privlaged site? | no lymphoid tissue |
Left lung has __# lobes | 1 |
Right lung has __# lobes | 5 |
Type of stomach | nonglandular |
define nonglandular stomach | pregastric fermentation & grandular portion |
Vascularity of brown fat is | 4-6x greater that white |
Renal papilla extends into the | ureters |
why is collection of urine simple | renal papilla extends into the ureters |
what can be induced by diet modifications | Gallstones |
Syrians are resistant to | radation |
Males rounded butt is due to | fat pad along inguinal canal |
Females butts appears to be | pointed |
what are more prominet in males | flank glands |
Puberty | 6-8 weeks |
estrus cycle | 4 days |
ovulation occurs within | 2 days of estrus |
after ovulation female produces | vaginal discharge |
Females ushually breed on | 3rd day of estus |