RENIN
renin
(noun) a proteolytic enzyme secreted by the kidneys; catalyzes the formation of angiotensin and thus affects blood pressure
Source: WordNet® 3.1
Etymology
Noun
renin (countable and uncountable, plural renins)
(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.
Synonyms
• angiotensinogenase
Anagrams
• inner, niner
Source: Wiktionary