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

Another key nutrient, as the study suggests, is iron, which helps deliver oxygen to hair follicles. —Brian Mastroianni, Health, 5 Sep. 2025

Over 500 images were released from inside Kohberger's apartment and obtained by PEOPLE, showing everything from his textbooks and exams to hair follicles and possible blood stains. —Chris Spargo, People.com, 2 Sep. 2025

The breakthrough, led by UQ’s Frazer Institute, used stem cells to create a replica of human skin that included blood vessels, capillaries, hair follicles, multiple layers of tissue, and immune cells. —Neetika Walter, Interesting Engineering, 22 Aug. 2025

Those foods contain protein, vitamins, and minerals that feed and support the hair follicle throughout its growth phase. —Morgan Fargo, Vogue, 20 Aug. 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