title: Responses of the relaxed and contracted portal vein to imposed stretch and shortening at graded rates.
mesh_terms: D000818:Animals; D002118:Calcium / Q000494:pharmacology; D008297:Male; D008465:Mechanoreceptors / Q000187:drug effects; D009119:Muscle Contraction / Q000187:drug effects; D009126:Muscle Relaxation / Q000187:drug effects; D009131:Muscle, Smooth, Vascular / Q000502:physiology; D011169:Portal Vein / Q000502:physiology*; D011188:Potassium / Q000494:pharmacology; D051381:Rats; D011919:Rats, Inbred Strains
chemical_list: D011188:Potassium; D002118:Calcium