Vellus hair is most easily observed on children and adult women, as it generally has less terminal hair to obscure it.
12.
Specifically, increased levels of androgens in males promote the transformation of vellus hair to terminal hair in certain parts of the body.
13.
During puberty, the increase in androgenic hormone levels causes vellus hair to be replaced with terminal hair in certain parts of the human body.
14.
As compared with a melanocytic nevus, congenital melanocytic nevi are usually larger in diameter and may have excess terminal hair, a condition called hypertrichosis.
15.
At puberty, androgen hormones cause much of the vellus hair to turn into terminal hair and stimulates the growth of new hair in the armpit and the pubic area.
16.
In the modified method, hair growth is rated from 0 ( no growth of terminal hair ) to 4 ( extensive hair growth ) in each of the nine locations.
17.
The opposite of hypotrichosis is hypertrichosis, where terminal hair ( thick ) grows in areas that would otherwise normally have vellus hair ( thin ), for example abnormally thick facial hair growth in women.
18.
"' Mild androgen insensitivity syndrome "'( "'MAIS "') is a condition that results in a mild impairment of the spermatogenic defect and / or reduced secondary terminal hair.
19.
Valerie Anne Randall of the Department of Biomedical Sciences, University of Bradford, said beard growth in Caucasian men increases until the mid-thirties due to a delay caused by growth cycles changing from vellus hair to terminal hair.
20.
One type does say it affects all areas of the body, but doesn't specifically say the soles : " Congenital terminal hypertrichosis is characterized by the presence of fully pigmented terminal hair that covers the entire body " . talk ) 03 : 03, 19 September 2015 ( UTC)
