stratum corneum
Americannoun
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Anatomy. the top layer of the epidermis, of varying depth on different parts of the body and made up of flattened dead keratinocytes that have migrated up from lower layers and are sloughed off the surface at the rate of one cell depth per day.
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Zoology. a corresponding part in many animals.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The stratum corneum, the outer layer of mature skin cells, communicates with the epidermis below.
From Science Daily ● Nov. 2, 2023
On the surface, sebaceous fluids mingle with omega-3 and omega-6 essential fatty acids, vitamin E, and your very own ceramides to form the skin barrier, also known as the stratum corneum.
From Slate ● Jan. 12, 2022
If the stratum corneum gets too dry, the skin can become itchy, scaly, inflamed, leathery and unattractive.
From New York Times ● Oct. 16, 2017
In a 2012 study, researchers exposed pieces of stratum corneum – the skin's top layer – to ultraviolet rays equivalent to 12, 24 and 60 consecutive days of sunlight.
From US News ● Jun. 13, 2016
The epidermis consists of two main layers, namely, the stratum corneum, which covers the surface, and the stratum mucosum, which is just beneath the covering surface.
From The Science of Fingerprints Classification and Uses by Hoover, J. Edgar (John Edgar)
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
