n.
Pronunciation: ˌ en-d ə - ' th ē -l ē - ə m
Function: noun
Inflected Form: plural -lia \ -l ē - ə \
Etymology: New Latin, from end- + -thelium (as in epithelium )
Date: 1872
1 : an epithelium of mesodermal origin composed of a single layer of thin flattened cells that lines internal body cavities and the lumens of vessels
2 : the inner layer of the seed coat of some plants
– en · do · the · li · al \ -l ē - ə l \ adjective