Assertion: vacuole's content | /r/CapableOf | keep tha protoplasm
Facets:
value: in contact with the membrane
type: OTHER
Source sentences:
text: The naked cells which have been alluded to live in water, and call therefore for no differentiation in connection with this necessity; but those which are surrounded by a cell-wall always develop within themselves a vacuole or cavity which occupies the greater part of their interior, and the hydrostatic pressure of whose contents keeps tha protoplasm in contact with the membrane, setting up a condition of turgidity.