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.

Pelage is planning to start Phase 3 studies this year for PP405, a topical “regenerative medicine approach” to hair loss that targets hair follicles stuck in the resting phase.

From MarketWatch

It helps reduce the effects of dihydrotestosterone, a hormone linked to follicle shrinkage, while also protecting hair follicle cells from premature cell death.

From Science Daily

Just as Sagimet’s denifanstat blocks fat accumulation in the liver, it blocks the fatty acids that cause hair follicles to become pimples.

From Barron's

That pressure prevents cancer medications from flowing through capillaries to hair follicles and nerves in the hands and feet, Hannon said.

From The Wall Street Journal

The cream sped up wound closure and helped regenerate structures such as hair follicles, oil glands, and cartilage.

From Science Daily

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