First Known Use: 1872
Dictionary
endothelium
noun en·do·the·li·um \ˌen-də-ˈthē-lē-əm\
plural en·do·the·lia\-lē-ə\
Definition of ENDOTHELIUM
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 \-lē-əl\ adjective
ADVERTISEMENT
Origin of ENDOTHELIUM
New Latin, from end- + -thelium (as in epithelium)
Medical Dictionary
endothelium
noun en·do·the·li·um \ˌen-də-ˈthē-lē-əm\
plural en·do·the·lia \-lē-ə\
Medical Definition of ENDOTHELIUM
: an epithelium of mesoblastic origin composed of a single layer of thin flattened cells that lines internal body cavities (as the serous cavities or the interior of the heart)
Learn More About ENDOTHELIUM
Browse
Next Word in the Dictionary: endothermPrevious Word in the Dictionary: endotheliomaAll Words Near: endothelium
ADVERTISEMENT
Seen & Heard
What made you want to look up endothelium? Please tell us where you read or heard it (including the quote, if possible).