renin

American  

[ree-nin] / ˈri nɪn /

noun

Biochemistry.

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

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renin British  

/ ˈriːnɪn /

noun

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

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renin Scientific  

/ rē′nĭn,rĕn′ĭn /

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

2. See also angiotensin

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Etymology

Origin of renin

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

Example Sentences

"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

But long-term use can take a terrible toll on the kidney, causing scarring and other dramatic physical changes that shift the organ's focus from blood filtration to producing renin.

From Science Daily • Nov. 21, 2024

Preliminary data from the Johns Hopkins team point to blood vessel stiffness and renin hormone levels in the blood as potential reasons for the lack of blood pressure variation in mice without the receptor.

From Science Daily • Mar. 20, 2024

The kidneys produce renin, which affects aldosterone secretion by the adrenal cortex.

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