General Anatomy · Multiple Systems · Medium

Epithelium

Meaning: Tissue made of tightly packed cells covering body surfaces and lining hollow organs and glands.

In practice: Long-term reflux can change the epithelium of the lower oesophagus, a condition called Barrett's.

Word parts

  • epi- means on or above

Many medical words are built from Greek and Latin parts like these, so learning a few helps you work out new terms.

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Two questions on related general anatomy words.

Which word means: The main cell type of the outer skin layer, producing the tough fibrous protein found in hair and nails.

Which word means: A mass of lymphoid tissue at the back of the nasal cavity, largest in young children.

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Related words

More general anatomy terms · All medical words