morphology of a rat

Rat: omnivorous gnawing mammal with a long tail; it is extremely voracious and prolific.

tail

Terminal appendage of the body covered with scales and containing blood vessels; it is used mainly for equilibrium.

claw

Somewhat curved, sharp pointy structure used especially for digging and defense.

fur

Hair covering the entire body, except the nose; its main function is to maintain body temperature.

nose

Middle protuberance of the head with two orifices located above the mouth and having an olfactory and respiratory function.

vibrissa

Long tactile hair located around the nose and mouth used to detect obstacles during nocturnal forays.

digit

Terminal end of the limbs formed of various articulated bones bearing a claw and used mainly to feed and move about.

pinna

External part of the ear made of cartilaginous lobes that capture sounds.