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hair follicle
noun
- a small cavity in the epidermis and corium of the skin, from which a hair develops.
hair follicle
noun
- a narrow tubular cavity that contains the root of a hair, formed by an infolding of the epidermis and corium of the skin
Word History and Origins
Origin of hair follicle1
Example Sentences
“They destroyed every bloodstain, every hair follicle, every shred of physical evidence which might tell us what those officers did inside the apartment to kill the boy,” he said.
The present study bringd greater clarity by casting retinoids in a more central role -- at the helm of regulating both hair follicle and epidermal stem cells.
Others are former hair follicle stem cells, which usually promote hair growth but respond to the more urgent needs of the moment, morphing into epidermal stem cells to bolster local ranks and repair efforts.
To do that, these hair follicle stem cells first enter a pliable state in which they temporarily express the transcription factors of both types of stem cells, hair and epidermis.
And when the scratches or abrasions damage the epidermis, hair follicle stem cells are the first responders.
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