When GFR (Glomerular Filtration Rate) .....P. | vedclass

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(B) The $JG$ apparatus is a special sensitive region formed by cellular modifications in the distal convoluted tubule and the afferent arteriole at th

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Decrease $\quad$ $\quad$ Renin

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(B) The $JG$ apparatus is a special sensitive region formed by cellular modifications in the distal convoluted tubule and the afferent arteriole at the location of their contact.$A$ fall in $GFR$ (Glomerular Filtration Rate) can activate the $JG$ cells to release $Renin$,which converts angiotensinogen in blood to angiotensin $I$ and further to angiotensin $II$.Angiotensin $II$ being a powerful vasoconstrictor increases the glomerular blood pressure and thereby $GFR$. It also activates the adrenal cortex to release aldosterone.Therefore,when $GFR$ decreases,$JG$ cells release renin.

When $GFR$ (Glomerular Filtration Rate) $.....P......$,the $JG$ (Juxtaglomerular) cells release $.....Q.....$ hormone.
$P\quad\quad Q$

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When $GFR$ (Glomerular Filtration Rate) $.....P......$,the $JG$ (Juxtaglomerular) cells release $.....Q.....$ hormone.$P\quad\quad Q$