The juxtaglomerular apparatus A) secretes renin in response to sodium depletion or plasma volume reduction.
- Blood pressure is maintained by the juxtaglomerular apparatus, which also serves as a quality control system to guarantee proper glomerular flow rate and effective sodium reabsorption.
- The juxtaglomerular cells produce renin and can alter the glomerulus's perfusion since they are specialized smooth muscle cells that surround the afferent arteriole.
- The blood pressure inside the afferent arterioles and the chloride content in the tubule fluid at the macula dense region of the distal tubule both directly affect renin release from juxtaglomerular cells in an inverse manner.
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