a polypeptide that is a powerful vasopressor, formed in the blood by the action of renin on a plasma protein
Origin of angiotensinangio- + tens(ion) + -in
Any of several polypeptide hormones, designated by Roman numerals, that are involved in the regulation of blood pressure, especially one of them, angiotensin II, which is a strong vasopressor.
Origin of angiotensinangio- tens(ion) -in
angio- + (hyper)tensin