Assertion: epithelium's cell | /r/CapableOf | line external surfaces of the body
Facets:
Source sentences:
text: The main difference between epithelial and endothelial cells is that epithelial cells line both internal surfaces and external surfaces of the body whereas endothelial cells line the internal surfaces of the components of the circulatory system.
text: Epithelial cells line both internal surfaces and external surfaces of the body.
text: Epithelial cells line the external surfaces of the body as well.