title: Extreme rarity of transendothelial channels in the forg mesenteric capillary [proceedings].
mesh_terms: D000818:Animals; D001001:Anura; D002196:Capillaries / Q000648:ultrastructure*; D002199:Capillary Permeability; D004727:Endothelium / Q000648:ultrastructure; D008643:Mesentery / Q000098:blood supply*; D008854:Microscopy, Electron