title: The ultrastructural differentiation of the endoplasmic reticulum in choroidal epithelial cells of the chick embryo.
mesh_terms: D000818:Animals; D001491:Basophils / Q000378:metabolism; D002454:Cell Differentiation; D002462:Cell Membrane; D002642:Chick Embryo; D002831:Choroid Plexus / Q000196:embryology* / Q000378:metabolism / Q000648:ultrastructure; D004721:Endoplasmic Reticulum / Q000378:metabolism / Q000648:ultrastructure*; D004847:Epithelial Cells; D004848:Epithelium / Q000378:metabolism / Q000648:ultrastructure; D006651:Histocytochemistry; D006863:Hydrogen-Ion Concentration; D008854:Microscopy, Electron; D011132:Polyribosomes / Q000378:metabolism; D012313:RNA / Q000378:metabolism
chemical_list: D012313:RNA