title: The fusion of the endocardial cushions in the heart of the chick embryo. A light-microscopical and electron-microscopical study.
mesh_terms: D000818:Animals; D002462:Cell Membrane; D002642:Chick Embryo; D003239:Connective Tissue Cells; D003593:Cytoplasm; D004721:Endoplasmic Reticulum; D004727:Endothelium; D006321:Heart / Q000196:embryology*; D008854:Microscopy, Electron; D008928:Mitochondria; D008938:Mitosis; D010873:Pinocytosis; D011132:Polyribosomes; D012270:Ribosomes