The juxtaglomerular apparatus A. secretes renin in response to sodium depletion or plasma volume reduction B. consists of the proximal tubule and the ascending loop of Henle C. secretes aldosterone in response to sodium depletion or plasma volume reduction D. is a thickened region of specialized cells in the adrenal cortex supplied by the afferent and efferent arterioles E. changes IF osmolarity to increase the amount of water in the distal tubule

Respuesta :

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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