hair follicle

noun

: the tubular epithelial sheath that surrounds the lower part of the hair shaft and encloses at the bottom a vascular papilla supplying the growing basal part of the hair with nourishment see hair illustration

Examples of hair follicle in a Sentence

Recent Examples on the Web

Hair transplant clinics in Turkey often use Follicular Unit Extraction (FUE), which involves harvesting individual hair follicles and transplanting them in areas that are thinning or have experienced loss. —Kyle J. Russell, USA Today, 27 Mar. 2025

Thanks to a blend of pea peptides and glycerin nourishing hair follicles, fine and fragile strands appear more dense. —Arden Fanning Andrews, Vogue, 4 Mar. 2025

The sebaceous glands that live under our hair follicles secrete sebum. —Caroline C. Boyle, USA Today, 11 Apr. 2025

Researchers found that magnesium can pass through the skin barrier, primarily via hair follicles. —Lindsay Curtis, Verywell Health, 28 Mar. 2025

Word History

First Known Use

1838, in the meaning defined above

Rhymes for hair follicle

• diabolical
• symbolical

Kids Definition

hair follicle

noun

: the tube-shaped sheath surrounding the lower part of a hair shaft

Medical Definition

hair follicle

noun

: the tubular epithelial sheath that surrounds the lower part of the hair shaft and encloses at the bottom a vascular papilla supplying the growing basal part of the hair with nourishment