@article {220,
	title = {A light and electron microscopic study of the ciliated urn of Phascolosoma agassizii (Sipunculida) ______________________},
	journal = {Cell and Tissue Research},
	volume = {169},
	year = {1976},
	note = {@ FREE CILIATED URN OF P.AG. STUDIED BY E.M. MULTI-(NOT BI)CELLULAR STRUCTURE COMPOSED OF 3 CELL TYPES; A. CILIATED CELLS WHICH POSSIBLY FUNCTON IN CAPTURING CELL DEBRIS AND FOREIGN PARTICLES; B. CUPOLA CELLS ABLE TO PHAGOCYTOZE LATEX PARTICLES; C. LOBE CELLS THAT PHAGOC. CARBON PARTICLES. LOBES SEPARATE FROM CILIATED BY SEMILUNAR AREA WITH MUCOPROTEIN STAINING CHARACTERISTICS, CONTAINING FIBRILS WHICH APPEAR TO BE THE STRUCTURAL SUPPORT FOR THE URN. CILIATED CELLS AND LOBES ARE ATTACHED TO THE SEMILUNAR AREA BY HEMIDESMOSOMES. *TEXT; 57 X 61UM; *CITES SOME BANG \& BANG FROM 62, 65...},
	pages = {67-75},
	keywords = {p. agassizii, ultrastructure, urn cells},
	author = {Dybas, L.}
}
