ke·​ra·​ti·​no·​cyte | \ kə-ˈra-tə-nə-ˌsīt How to pronounce keratinocyte (audio) , ˌker-ə-ˈti- How to pronounce keratinocyte (audio) \
plural keratinocytes

Definition of keratinocyte

: a cell of the epidermis that produces keratin, is formed in the basal epidermal layer above the dermis, divides to produce more keratinocytes, and ultimately migrates into the outer protective layers of the skin and undergoes final differentiation into a corneocyte keratinocytes gain their strength from fibrous proteins called keratins, which assemble into long, intertwined cables.— Steven Lanier McKnight

First Known Use of keratinocyte

1950, in the meaning defined above

History and Etymology for keratinocyte

keratin + -o- + -cyte

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The first known use of keratinocyte was in 1950

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Last Updated

27 Jan 2020

Cite this Entry

“Keratinocyte.” Dictionary, Merriam-Webster, Accessed 22 Feb. 2020.

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ke·​ra·​ti·​no·​cyte | \ kə-ˈrat-ᵊn-ə-ˌsīt How to pronounce keratinocyte (audio) , ˌker-ə-ˈtin- How to pronounce keratinocyte (audio) \

Medical Definition of keratinocyte

: an epidermal cell that produces keratin

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