EPONYCHIUM

Etymology

Noun

eponychium (plural eponychia)

(anatomy) The thickened layer of skin adjoining fingernails and toenails, particularly at the base of the nail.

(zoology, veterinary medicine) The protective capsule that surrounds the hoof of foetuses and neonates of hoofed animals, which disappears soon after birth, but remnants of which remain as part of the permanent hoof.

Usage notes

• (layer of skin): Sometimes confused with cuticle. Properly, the cuticle is a layer of dead skin connecting the eponychium to the nail and forming a seal. The eponychium is living tissue.

Synonyms

• (layer of skin): medial nail fold, proximal nail fold

Source: Wiktionary



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Word of the Day

27 December 2024

OBLIGATE

(adjective) restricted to a particular condition of life; “an obligate anaerobe can survive only in the absence of oxygen”


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