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epidermis
[ ep-i-dur-mis ]
noun
- Anatomy. the outer, nonvascular, nonsensitive layer of the skin, covering the true skin or corium.
- Zoology. the outermost living layer of an animal, usually composed of one or more layers of cells.
- Botany. a thin layer of cells forming the outer integument of seed plants and ferns.
epidermis
/ ˌɛpɪˈdɜːmɪs /
noun
- Also calledcuticle the thin protective outer layer of the skin, composed of stratified epithelial tissue
- the outer layer of cells of an invertebrate
- the outer protective layer of cells of a plant, which may be thickened by a cuticle
epidermis
/ ĕp′ĭ-dûr′mĭs /
- The protective outer layer of the skin. In invertebrate animals, the epidermis is made up of a single layer of cells. In vertebrates, it is made up of many layers of cells and overlies the dermis. Hair and feathers grow from the epidermis.
- The outer layer of cells of the stems, roots, and leaves of plants. In most plants, the epidermis is a single layer of cells set close together to protect the plant from water loss, invasion by fungi, and physical damage. The epidermis that is exposed to air is covered with a protective substance called cuticle.
- See more at photosynthesis
Derived Forms
- ˌepiˈdermal, adjective
Other Words From
- epi·dermal epi·dermic adjective
- epi·dermi·cal·ly adverb
Word History and Origins
Origin of epidermis1
Word History and Origins
Origin of epidermis1
Compare Meanings
How does epidermis compare to similar and commonly confused words? Explore the most common comparisons:
Example Sentences
"As alternatives to autologous skin grafts, artificial skin substitutes including cultured epidermis and reconstituted skins have been developed," says the lead author of the study Dr. Hisato Nagano.
With this delivery method, drugs can pass through the tough outer layer of the epidermis, which can't be penetrated by creams applied to the skin.
In insects, specific genes became specialised in muscles and in the epidermis for cuticle formation, contributing to their ability to fly.
Building upon this achievement, the team integrated a high-resolution imaging system to observe real samples such as onion epidermis, validating the possibility of commercializing metalenses.
The disease occurs in basal cells, which are found within the epidermis, the outer layer of the skin.
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