noun, plural ep·i·the·ci·a [ep-uh–thee-shee-uh, -see-uh] /ˌɛp əˈθi ʃi ə, -si ə/. Mycology.
- the surface layer of tissue of the fruiting body of lichens and fungi, formed by the union of the tips of the paraphyses over the spore sacs.
noun, plural ep·i·the·ci·a [ep-uh–thee-shee-uh, -see-uh] /ˌɛp əˈθi ʃi ə, -si ə/. Mycology.