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35 Cards in this Set
- Front
- Back
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why are rats good experimental models?
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small, familiar vertebrate, bred
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cranial region
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head area
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cervical region
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neck area
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pectoral region
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area where forelegs are attached
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thorax or chest region
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abdomen/ belly
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pelvic region
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area where hind legs attach
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pelage
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hairy coat covering the rat's body
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vibrissae
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whiskers
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nares
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nostrils, at the anterior end of head
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cleft to show...
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incisors
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nocturnal life...
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pupils
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nictitating membrane
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inside corner of the eye for protection
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pinna
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external ear
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auditory meatus
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ear canal
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# of teats on femals
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6
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tail is covered with...
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hair and scales
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ventral to the base of the tail is....
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anus
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caudal to last pair of teats of female...
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clitoris w/ urinary aperture
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caudal to clitori
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vaginal orifice
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small depression with vaginal orifice
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vulva
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testes may be withdrawn into the... during nonreproductive periods.
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abdomen
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anterior to scrotal sacs...
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prepuce
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prepuce
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bulge of skin surrounding penis
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urogenital orifice
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urine and sperm exit body
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quadruped, how many digits
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four legs, 4 digits and a thumb
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plantigrade
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walk on heels and foot
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digitigrade
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walk on toes
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axial skeleton
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skull and vertebral column
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bones of the anterior appendages (forelegs) attach to...
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pectoral girdle
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bones of the posterior appendages attach to
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pelvic girdle
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pectoral and pelvic girdle =
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appendicular skeleton
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integument
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skin
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genitals
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external sex organs
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connective tissue holding skin to the body
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fascia
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deposit of fat b/w the shoulder blades
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brown fat for specialized heat production
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