Definition Of Vellus Hair In Anatomy
Vellus hair is the short fine hair that covers most of a person s body.
Definition of vellus hair in anatomy. Vel us the coat of fine hairs that appears after the lanugo hairs are cast off and that persists until puberty. Types terminal hair vellus hair lanugo hair terminal hair is the type of natural hair to which most people refer in their everyday lives. Vellus hair is short thin slight colored and barely noticeable hair that develops on most of a person s body during childhood exceptions include the lips the back of the ear the palm of the hand the sole of the foot some external genital areas the navel and scar tissue. Hair is made up of two separate structures.
N short fine unpigmented hair covering the human body collins english dictionary complete and unabridged. The density of hair the number of hair follicles per area of skin varies from person to person. Vellus hair synonyms vellus hair pronunciation vellus hair translation english dictionary definition of vellus hair. Many people might assume that when a person refers to the various hair types he is referring to the differences in hair texture or possibly hair covering varying parts of the body.
This is different from terminal hair which is coarser and grows on the head. The hair follicle which exists below the skin and the hair shaft which is the hair that we see. These different types of hair include terminal hair vellus hair and lanugo hair. It is the type of hair that grows on your head in your pubic regions and on almost all parts of your body.
During puberty some vellus hair changes to. Basically terminal hairs are found on scalp eyebrows and eyelashes at birth while the rest of the body is covered with vellus hairs. In puberty some vellus hairs i e. Beard trunk axilla and genital area by the influence of androgens differentiate to terminal hairs which are long 2 cm thick 60 μm pigmented and medullated.