title: Ultrastructural changes in mouse yolk sac associated with the initiation of vitelline circulation.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis; D002462:Cell Membrane; D003593:Cytoplasm; D004707:Endoderm / Q000166:cytology; D004721:Endoplasmic Reticulum; D005321:Extraembryonic Membranes / Q000166:cytology*; D005293:Ferritins; D005455:Fluorescent Antibody Technique; D005865:Gestational Age; D006056:Golgi Apparatus; D051379:Mice / Q000196:embryology*; D008854:Microscopy, Electron; D008928:Mitochondria; D011485:Protein Binding; D012270:Ribosomes; D013194:Staining and Labeling
chemical_list: D000906:Antibodies; D005293:Ferritins