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epithelialization

The growth of new skin cells across a wound, covering it as it heals.

ep-ih-thee-lee-ul-ih-ZAY-shun noun

Word parts

epi- uponthel nipple, thin surface layer-ization process

What it means

A stage of wound healing in which epithelial cells move in from the wound edges (and from hair follicles and sweat glands in shallow wounds) and spread across the surface. New epithelial tissue looks thin, shiny and pink or pearly. A wound kept moist and clean closes this way faster than one left to dry out and scab.

For the nurse

Protect new pink tissue at the wound edge when changing dressings, and chart how much of the wound is covered.

Related terms

wound healing

The body's process of repairing damaged skin and tissue.

granulation tissue

New, moist, red tissue that fills a healing wound from the bottom up.

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