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Epithelial - Meaning, Definition & English Examples

Epithelial refers to tissues that cover the surfaces of organs, glands, and body structures. These cells protect, absorb, and secrete substances, playing a vital role in bodily functions.

epithelial

/ˌɛpəˈθiliəl/ /ˌɛpɪˈθiːliəl/

Definition:

Tissue forming outer surfaces of organs and lining body cavities.

Synonyms:

membranous, cutaneous, cellular, dermal

Part of Speech:

adjective

Antonyms:

noncellular, connective, muscular

Common Collocations:

epithelial cells, epithelial tissue, epithelial layer, epithelial damage

Derivatives:

epithelium, epithelially

Usage Tips:

Use "epithelial" to describe tissues covering surfaces or lining cavities in biology contexts.

Common Phrases:

epithelial lining, epithelial barrier, epithelial growth

Etymology:

From Greek "epi-" (upon) + "thēlē" (nipple), referring to tissue layers.

Examples:

  • 1. The epithelial layer protects underlying tissues.
  • 2. Epithelial cells regenerate quickly after injury.
  • 3. The doctor examined the patient’s epithelial damage.
  • 4. Epithelial tissues line the digestive tract.

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