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hair follicle

American

noun

Anatomy.

a small cavity in the epidermis and corium of the skin, from which a hair develops.

hair follicle British

noun

a narrow tubular cavity that contains the root of a hair, formed by an infolding of the epidermis and corium of the skin

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of hair follicle

First recorded in 1830–40

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

To do that, these hair follicle stem cells first enter a pliable state in which they temporarily express the transcription factors of both types of stem cells, hair and epidermis.

From Science Daily • Mar. 7, 2024

Keratin microsphere gel, consisting of keratin-based microspheres that swell in water to form a gel, has shown efficacy in promoting hair follicle growth in murine models.

From Science Daily • Feb. 29, 2024

The research team's future work aims to extend that period, allowing the hair follicle to mature further and paving the way for their use in drug testing and skin grafts.

From Science Daily • Nov. 15, 2023

“We found that when we stimulated our hair follicle cells, they actually released mood-regulating neurotransmitters serotonin and histamine,” Dr. Higgins said.

From New York Times • Nov. 8, 2023

It crawls to the base of the hair and burrows into the hair follicle.

From Special Report on Diseases of Cattle by United States. Bureau of Animal Industry

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023