title: Comments on the direction of blood flow in the central placental vessel in the rat.
authors: R H
authors: RH
authors: Christofferson
mesh_terms: D000818:Animals; D004396:Coloring Agents; D016319:Corrosion Casting; D005260:Female; D008855:Microscopy, Electron, Scanning; D010920:Placenta / Q000098:blood supply*; D011247:Pregnancy; D051381:Rats; D017207:Rats, Sprague-Dawley; D012039:Regional Blood Flow
chemical_list: D004396:Coloring Agents