terminal hair


: a long, coarse, well-pigmented hair that is found on certain parts of the body (such as the scalp, armpits, and pubic region)
Androgens, principally testosterone (from the adrenal glands and ovaries), increase hair growth by converting fine, unpigmented vellus hair to terminal hair in androgen sensitive areas such as the face, chest, and abdomenRaekha Kumar et al., British Medical Journal
Terminal hairs are larger in diameter, with their bulb extending down to the subcutaneous fat, while vellus hairs are much smaller, with their bulb located in the mid dermis.Primary Care Reports
compare vellus hair

Dictionary Entries Near terminal hair

Cite this Entry

“Terminal hair.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/terminal%20hair. Accessed 29 May. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!