stratum corneum

noun
stratum cor·​ne·​um | \ -ˈkȯr-nē-əm How to pronounce stratum corneum (audio) \

Definition of stratum corneum

: the outer part of the epidermis consisting chiefly of layers of dead flattened nonnucleated cells filled with keratin

Examples of stratum corneum in a Sentence

Recent Examples on the Web

These acids are found in fats and oils but are also a key component of the stratum corneum, the outer protective layer of your skin. A.a. Newton, SELF, "Do You Really Need to Put Fatty Acids on Your Face?," 28 Aug. 2019 But there are also other lipids (fats and oils) produced by cells in the stratum corneum, the protective outer layer of skin that functions as the skin’s primary protection against losing water. Jenn Sinrich, SELF, "What You Should Know Before Using a Trendy New Face Oil," 13 Mar. 2019 Together, these things create a protective coating on top of the stratum corneum, the protective outer layer of skin. Sarah Jacoby, SELF, "What the Heck Is Squalane Oil and Why Is It Suddenly in All My Skin-Care Products?," 20 June 2019 There is also limited evidence that topical niacinamide can help repair the function of the stratum corneum, the protective outer layer of skin, which may add to its anti-inflammatory effects. A.a. Newton, SELF, "Here’s What Niacinamide Can—and Can’t—Do for Your Skin," 8 May 2019 Exfoliation happens primarily in the outer layer of your skin, the stratum corneum. Crystal Martin, New York Times, "Exfoliation Tips for the Best Skin Ever," 25 June 2018 Dehydration is when there is a lack of water in the stratum corneum, or outer layer, of the skin. refinery29.com, "Everything You Need To Get Through The Season With Flake-Free Skin," 21 Mar. 2018 If the stratum corneum gets too dry, the skin can become itchy, scaly, inflamed, leathery and unattractive. Jane E. Brody, idahostatesman, "Choosing the best moisturizer for your skin | Idaho Statesman," 29 Oct. 2017 If the stratum corneum gets too dry, the skin can become itchy, scaly, inflamed, leathery and unattractive. Jane E. Brody, idahostatesman, "Choosing the best moisturizer for your skin | Idaho Statesman," 29 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'stratum corneum.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of stratum corneum

1857, in the meaning defined above

History and Etymology for stratum corneum

New Latin, literally, horny layer

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Last Updated

11 Sep 2019

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Time Traveler for stratum corneum

The first known use of stratum corneum was in 1857

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More Definitions for stratum corneum

stratum corneum

noun
plural strata cornea

Medical Definition of stratum corneum

: the outer more or less horny part of the epidermis consisting chiefly of layers of dead flattened nonnucleated cells filled with keratin

More from Merriam-Webster on stratum corneum

Britannica.com: Encyclopedia article about stratum corneum

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