By Dr. Mary Fuller
Although cats and dogs clearly relish cleaning morsels of food off their whiskers, the long hairs have other purposes, from sensing things close to their face to communication.
How Are Whiskers Different From Other Hair?
When it comes to pet hair, whiskers are longer, thicker and more rigid, as well as more deeply embedded in the skin. Each whisker is rooted in a hair follicle that's filled with blood vessels and nerves. And like other hairs, whiskers will occasionally fall out and grow back.
Most cats have 12 whiskers that are arranged in four rows on either cheek, but the whisker pattern in dogs is more varied. Whiskers can also sprout above the eyes, as well as under the chin. Cats can also grow whiskers behind their wrists.
See Also: Why Does My Cat Meow at Me?
Why Do Cats and Dogs Have Them?
The primary function of whiskers is to aid with vision, especially in the dark, by providing additional sensory information - much like antennae on other
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