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ep·i·the·li·um
 epithelium
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- pronunciation:
- e
pih
thi
li
 m
- features:
- Word Combinations (noun), Word Parts
| part of speech: |
noun |
| inflections: |
epithelia, epitheliums |
| definition: |
a protective, membranous layer of tissue, usu. a single layer of close-knit cells, that lines the cavities and the outside of an organism.
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| derivations: |
epithelial (adj.), epithelioid (adj.) |
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