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renin

American

[ree-nin] / ˈri nɪn /

noun

Biochemistry.

a proteolytic enzyme secreted by the kidneys that is involved in the release of angiotensin.

renin British

/ ˈriːnɪn /

noun

a proteolytic enzyme secreted by the kidneys, which plays an important part in the maintenance of blood pressure

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

renin Scientific

/ rē′nĭn,rĕn′ĭn /

A proteinase enzyme of high specificity that is released by the kidney and acts to raise blood pressure by activating angiotensin.
See also angiotensin

Etymology

Origin of renin

First recorded in 1890–95; ren(i)- + -in ²

Vocabulary lists containing renin

Nutrition and Digestion - High School

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

renin

"This neuro-immune-endocrine cooperation synergistically promotes increased production of renin to maintain blood pressure homeostasis, but, on the other hand, severe arteriolar hypertrophy reduces the blood filtration function of the kidney."

From Science Daily ● Nov. 21, 2024

They start to secrete renin and substances that trigger other changes: New nerves grow like weeds; immature smooth muscle cells build up; scars form around the tiny blood vessels, called arterioles; and inflammatory cells infiltrate.

From Science Daily ● Nov. 21, 2024

"Our next goal is to elucidate the whole picture of the interactions between renin cells, smooth muscle cells, nerves and inflammatory cells under RAS inhibition," said researcher Maria Luisa S. Sequeira-Lopez, MD.

From Science Daily ● Nov. 21, 2024

They adrenal cortex produces renin, which affects aldosterone secretion by the kidneys.

From Textbooks ● Jun. 9, 2022

The JGC is an endocrine structure that secretes the enzyme renin and the hormone erythropoietin.

From Textbooks ● Jun. 9, 2022

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023