cat’s head
Anterior portion of the body containing the main sensory organs and the brain.
muzzle 
Short round front part of the head with whiskers; it has a highly developed tactile and olfactory function.
nose leather 
Terminal end of the muzzle bearing the nostrils made of strong damp tissue; it has an olfactory and respiratory function.
pupil 
Central opening of the eye where light enters; it is particularly well adapted to the dark.
eyelashes 
Hairs implanted on the free edge of the eyelid preventing dust and other particles from landing on the eye.
lip 
Movable muscular part forming the contour of the mouth; a cat has two upper lips lined with whiskers.
whiskers 
Extremely sensitive long stiff hairs (vibrissae) located on the muzzle having a tactile function.
nictitating membrane 
Thin muscular membrane extending sideways from the inside corner of the eye to protect and moisten it.
lower eyelid 
Thin muscular membrane that is translucent and movable; it rises from the lower edge of the eye to protect and cleanse it.
upper eyelid 
Thin muscular membrane lowering from the upper edge of the eye to protect and clean it.
whiskers 
Highly sensitive long stiff hairs located above the eyes and having a tactile function.