Renin vs Angiotensin - What's the difference?
renin | angiotensin |
(enzyme) A circulating enzyme released by mammalian kidneys that converts angiotensinogen to angiotensin-I. Because its activity ultimately leads to formation of angiotensin-II and aldosterone, this hormone plays a role in maintaining blood pressure.
(hormone) Any of several polypeptides that narrow blood vessels and thus regulate arterial pressure.
* 2001': In addition to stimulating the srteries to constrict, '''angiotensin also acts on the kidneys to suppress urine production, and acts on the brain to stimulate thirst and drinking behaviour. — Leslie Iversen, ''Drugs: A Very Short Introduction (Oxford 2001, p. 43)