n.
A proteinase of high specificity that is released by the kidney and acts to raise blood pressure by activating angiotensin.
[Latin rēnēs, kidneys + -IN.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
