follicle

noun

fol·​li·​cle ˈfä-li-kəl How to pronounce follicle (audio)
1
a
: a small anatomical cavity or deep narrow-mouthed depression
b
: a small lymph node
c
: a vesicle in the mammalian ovary that contains a developing egg surrounded by a covering of cells
especially : graafian follicle
2
: a dry dehiscent one-celled many-seeded fruit (as of the milkweed) that has a single carpel and opens along one suture
follicular adjective

Examples of 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.
All mammals have a corpus luteum, a temporary gland that remains after an egg follicle is released during menstrual cycles. Joshua Rapp Learn, Discover Magazine, 27 Mar. 2025 This is the active phase, in which cells in the follicles of your hair rapidly divide to produce new hair, according to famed trichologists at scalp-care brand Philip Kingsley. Lisa Desantis, Glamour, 26 Mar. 2025 Cell growth phases and hair Each hair on our body sprouts from a follicle nestled in our skin’s dermis layer. Rj MacKenzie, Popular Science, 20 Mar. 2025 Once a follicle enters the resting (telogen) phase and remains inactive, hair growth stalls, and thinning and eventual baldness ensue. Ascend Agency, New York Daily News, 25 Feb. 2025 See All Example Sentences for follicle

Word History

Etymology

New Latin folliculus, from Latin, diminutive of follis bag — more at fool

First Known Use

1715, in the meaning defined at sense 1a

Time Traveler
The first known use of follicle was in 1715

Browse Nearby Words

Cite this Entry

“Follicle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/follicle. Accessed 5 Apr. 2025.

Kids Definition

follicle

noun
fol·​li·​cle ˈfäl-i-kəl How to pronounce follicle (audio)
1
a
: a small cavity or a deep bodily depression with a narrow mouth (as one from which a hair grows)
2
: a dry one-celled fruit (as in the milkweed) that splits open by one seam when ripe
follicular adjective

Medical Definition

follicle

noun
fol·​li·​cle ˈfäl-i-kəl How to pronounce follicle (audio)
1
: a small anatomical cavity or deep narrow-mouthed depression
especially : a small simple or slightly branched gland : crypt
2
: a small lymph node
3
: a vesicle in the mammalian ovary that contains a developing egg surrounded by a covering of cells : ovarian follicle
especially : graafian follicle
follicular adjective

More from Merriam-Webster on follicle

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