juxtaglomerular cell


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Related to juxtaglomerular cell: juxtaglomerular cell tumor

juxtaglomerular cell

A modified smooth muscle cell in the wall of the afferent arteriole leading to a glomerulus of the kidney. This type of cell secretes renin when blood pressure decreases to activate the renin-angiotensin mechanism, which increases sodium retention, thus elevating the blood pressure.
See also: cell
References in periodicals archive ?
These results suggest that the beneficial effects of Panamanian plant extracts on the cardiovascular system do not involve effects on the [beta]1 receptors which are located in the heart and control its contractile force and rate, or the juxtaglomerular cells of the kidney which control the release of renin which activates the renin-angiotensin system.
r] ~40 000) is released in an active form from the renal juxtaglomerular cells in response to physiologic factors, including sodium depletion, decreased blood volume and blood pressure, and [beta]-adrenergic stimulation (1).
Fluctuations in the degree of RSNA modulate renin secretion from juxtaglomerular cells and sodium reabsorption from renal tubular cells (1,5,9).