A smooth muscle contracting substance in extracts of human umbilical cord.
D000143:Acids / Q000032:analysis*; D000818:Animals; D001681:Biological Assay; D003106:Colon / Q000187:drug effects; D005260:Female; D006168:Guinea Pigs; D006801:Humans; D007231:Infant, Newborn; D007422:Intestines / Q000187:drug effects; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000187:drug effects*; D011817:Rabbits; D051381:Rats; D014469:Umbilical Arteries / Q000032:analysis; D014470:Umbilical Cord / Q000032:analysis*; D014471:Umbilical Veins / Q000032:analysis; D014599:Uterus / Q000187:drug effects
D000143:Acids