Assertion: epithelium's surface | /r/HasProperty | exposed
Facets:
value: externally
type: DEGREE
value: always
type: DEGREE
Source sentences:
text: A defining feature of this type of tissue is that one surface of the tissue’s cells is always exposed, whether the exposure is inside or outside of the animal.
text: Due to the fact that it covers the whole body and lines organs, the epithelium always has a surface that is either exposed externally, as in skin, or internally to an organ, such as the large intestine, or another open space.