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episiotomy
episode
episodic
episome
epispadias
epistasis
epistaxis
epistemic
epistemics
epistemology
Epistle
epistle
epistle side
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epithelium

ep·i·the·li·um [ èppi thlee əm ] (plural ep·i·the·li·a [ èppi thlee ə ] or ep·i·the·li·ums)


noun 
Definition:
 
thin protective layer of tissue: a thin layer of tightly packed cells lining internal cavities, ducts, and organs of animals and covering exposed bodily surfaces, especially in wounds that are healing

[Mid-18th century. < modern Latin< Greek thēlē "teat, nipple"]
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