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External Anatomy
Rat practical
33
Biology
Undergraduate 1
04/28/2013

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Cards

Term
Anatomical regions of a rat
Definition
Cranial Region
Term
Cranial Region
Definition
Head
Term
Cervical Region
Definition
Neck
Term
Pectoral Region
Definition
Area where forelegs attach
Term
Thorax
Definition
Chest Region
Term
Abdomen
Definition
Belly
Term
Pelvic Region
Definition
Area where hind legs attach
Term
Pelage
Definition
Hairy Coat
Term
Vibrissae
Definition
Whiskers
Term
Nares
Definition
Nostrils
Term
Subterminal mouth
Definition
Has a CLEFT in the upper lip that exposes incisors
Term
Incisors
Definition
Large teeth
Term
Pupils
Definition
Large, for nocturnal
Term
Nicitating Membrane
Definition
Inside corner of the eye,
translucent membrane drawn across eyeball for protection
Term
Eyelids
Definition
Similar to humans
Term
Ears
Definition
Posteriorly to head.
Composed of Pinna and Auditory Meatus
Term
Pinna
Definition
External Ear
Term
Auditory Meatus
Definition
Ear Canal
Term
Teats
Definition
Nipples, 6 pairs
Term
Anus
Definition
Ventral to base of tail
Term
Clitoris
Definition
Caudal to last pair of teats
Female, small protuberance
Urinary aperture opens
Term
Vaginal Orifice
Definition
Caudal to Clitoris
In Vulva
Term
Vulva
Definition
Small depression in which Vaginal Orifice is
Term
Scrotal Sacs
Definition
Either side of anus, contain the testes
Term
Prepuce
Definition
Anterior to scrotal sac
Bulge of skin around penis
Term
Preputial Orifice
Definition
Penis extends through this from the prepuce
Term
Urogenital Orifice
Definition
End of penis, where urine and semen is expelled
Term
Quadruped
Definition
Four legs with four finges and a vestigial thumb on each foot
Term
Plantigrade
Definition
Both sole and heel of foot make contact with ground
Term
Digitigrade
Definition
Walk on only toes
Term
Genitals
Definition
External sex organs
Term
Fascia
Definition
Connective tissue that holds skin to the body
Term
Integument
Definition
Skin
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