title: An attempt to visualize protein transmission across the rabbit visceral yolk-sac.
mesh_terms: D000042:Absorption; D000327:Adsorption; D000818:Animals; D001485:Basement Membrane; D001693:Biological Transport, Active; D002462:Cell Membrane; D003593:Cytoplasm; D005321:Extraembryonic Membranes / Q000378:metabolism*; D005260:Female; D005293:Ferritins / Q000378:metabolism*; D002479:Inclusion Bodies; D008854:Microscopy, Electron; D010873:Pinocytosis; D011247:Pregnancy; D011817:Rabbits
chemical_list: D005293:Ferritins