Assertion: sponge's cell | /r/CapableOf | call amoebocyte
Facets:
Source sentences:
text: Free-moving cells called amoebocytes bring digested food and oxygen to other cells and remove waste products.
text: Sperm and eggs are formed by aggregations of cells called amoebocytes in the body wall; these are not considered gonads because of their origin and transitory nature.