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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
Dermatophytes only grow in keratin-producing structures like hair follicles and nails.2
Proximal subungual onychomycosis (PSO) is also caused by dermatophytes.
—Sarah Bradley, Health, 19 May 2024
Grande Cosmetics Lash Enhancing Serum It’s packed with powerful ingredients, like peptides, amino acids, and hyaluronic acid, that work together to nourish and coat individual hair follicles.
—Taylor Jean Stephan, Peoplemag, 16 May 2024
The color of our hair is created by the pigment-producing cells, called melanocytes, located in each hair follicle.
—Amy Eisinger, Allure, 8 May 2024
Demodex mites are microscopic organisms that live in or near hair follicles and sebaceous glands.
—Leslie Baumann, Miami Herald, 2 May 2024
Demodex mites Demodex is a specific genus of microscopic mite that lives in hair follicles and sebaceous glands.
—Leslie Baumann, Miami Herald, 20 Apr. 2024
Keep in mind that for hair growth shampoos to be effective, the active ingredients must penetrate the skin and enter the hair follicles.
—Iman Balagam, Vogue, 9 Apr. 2024
Alopecia areata's inflammatory immune response triggers a premature telogen or late catagen stage within the hair follicles.
—Heather L. Brannon, Md, Verywell Health, 27 Jan. 2024
In addition, lips lack other skin features, such as hair follicles, sweat glands and sebaceous glands that provide extra moisture or oils.
—Jocelyn Solis-Moreira, CNN, 7 Apr. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hair follicle.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1838, in the meaning defined above
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 23 May. 2024.
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
Britannica.com: Encyclopedia article about hair follicle
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