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areas of hair loss obtained from other animals housed in the same enclosure
Barbering
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hysterectomy delivered animals raised in a controlled microbial environment
Barrier Animal
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animals raised in normal environmental conditions
Conventional Animal
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animals free of any detectable microorganisms and parasites
Axenic Animal
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research takes place in an artificial environment
In Vitro
-
research performed in a living animal
In Vivo
-
animals that receive the experiment
Experimental Group
-
animals which nothing is done to them (used with the experimental and sham groups)
Control Group
-
animals given placebos (used with the experimental and control groups)
Sham Group
-
the study of animals with known microflora and fauna
Gnotobiology
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animals that have carefully defined microbial flora (taken from C-section)
Gnotobiotic Animals
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using the barrier technique to control microflora of lab animals
Gnotobiotics
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a temporary waxy plug consisting of dried semen and vaginal mucus that confirms breeding has taken. Seen approximately 24 hours after copulation
Vaginal Plug
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kills bacteria
Bactericide
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inhibits growth of bacteria
Bacteriostat
-
-
destroys infectious agents from surfacs
Disenfectant
-
-
lowers bacterial organisms to a safe level
Sanitizer
-
-
kills microorganisms
Sterilant
-
-
long lasting but accumulates in the environment
Residual Pesticides
-
kill fast bus is short acting
Non-Residual Pesticides
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surgery on a living animal for psychological or pathologic investigation
Vivisection
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all females housed together will have depressed estrous cycles, but when a male is added to the cage all the females will come into estrus within 3 days
Whitten Effect
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when a bred female is exposed to a strange male within 24 hours and does not become pregnant
Bruce Effect
-
located behind the eye of the rodent and secretes a red tinged substance
Harderian Gland
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abnormal growth of the teeth, the teeth do not line up
Malocclusion
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occurs when the mother is inexperienced, stressed, or when the nest is disturbed
Cannibalism
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at least 20 consecutive brother/sister breedings
Inbred
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can be any infectious agent, non-living substance, or procedure that endangers living tissue
Biohazard
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the room the animal is housed in
Macro Environment
-
the cage in which the animal is housed in
Micro Environment
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