title: Arterio-venous anastomoses in the anal region with reference to the pathogenesis and treatment of haemorrhoids.
mesh_terms: D001003:Anal Canal / Q000098:blood supply*; D001163:Arteriovenous Anastomosis; D001783:Blood Flow Velocity; D004837:Epinephrine / Q000494:pharmacology; D005260:Female; D006484:Hemorrhoids / Q000097:blood / Q000209:etiology / Q000628:therapy; D006801:Humans; D007552:Isotonic Solutions; D010100:Oxygen / Q000097:blood; D010313:Partial Pressure; D011247:Pregnancy; D012007:Rectum / Q000098:blood supply*; D012039:Regional Blood Flow / Q000187:drug effects; D013814:Thermal Conductivity; D014662:Vasoconstrictor Agents; D014680:Veins
chemical_list: D007552:Isotonic Solutions; D014662:Vasoconstrictor Agents; D010100:Oxygen; D004837:Epinephrine