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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Cooling caps, worn before, during, and after chemotherapy, may reduce hair loss by cooling the scalp and constricting the blood vessels, preventing chemotherapy from reaching the hair follicles. Julie Scott, Msn, Anp-Bc, Aocnp, Verywell Health, 11 Feb. 2025 Hair grows in three stages, driven by stem cells inside the hair follicles: anagen, catagen, and telogen. Cristina Mutchler, Health, 30 Jan. 2025 According to Collins, hair growth masks work by nourishing the scalp, which promotes healthier hair follicles and therefore encourages hair growth. Jenny Berg, Vogue, 4 Feb. 2025 But can certain essential oils actually stimulate hair follicles and generate new or faster growth? Eva Crouse, Flow Space, 31 Jan. 2025 See all Example Sentences for hair follicle 

Word History

First Known Use

1838, in the meaning defined above

Time Traveler
The first known use of hair follicle was in 1838

Dictionary Entries Near hair follicle

Cite this Entry

“Hair follicle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hair%20follicle. Accessed 22 Feb. 2025.

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

More from Merriam-Webster on hair follicle

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