title: The second cell membrane: the basal lamina and the tissue cell theory of metazoa.
mesh_terms: D000818:Animals; D001692:Biological Transport; D001812:Blood-Brain Barrier; D002462:Cell Membrane / Q000378:metabolism / Q000648:ultrastructure*; D002831:Choroid Plexus / Q000648:ultrastructure; D007365:Intercellular Junctions / Q000648:ultrastructure; D007668:Kidney / Q000648:ultrastructure; D008954:Models, Biological; D012867:Skin / Q000648:ultrastructure; D013961:Thyroid Gland / Q000648:ultrastructure