title: Isolation and recognition properties of some definite sponge cell types.
mesh_terms: D000818:Animals; D002449:Cell Aggregation; D002469:Cell Separation / Q000379:methods*; D002499:Centrifugation, Density Gradient; D010587:Phagocytosis; D011161:Porifera / Q000166:cytology*; D013045:Species Specificity; D013997:Time Factors