# data[].attributes.body
it is a baro receptor

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Atrial Natriuretic Peptides

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Contraction of the afferent arteriole and secrete Renin when blood pressure in the arteriole falls

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Contraction of the afferent arteriole and secrete Renin when blood pressure in the arteriole falls

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When BP in the arteriole drops, the juxtaglomerular cells of the afferent arteriole secrete renin (to increase BP). When BP rises, the juxtaglomerular cells contract to decrease GFR.

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Renin--angiotensin-aldosterone system.

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RAAS
Adrenaline & nor-adrenaline

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When Bp or NaCl level is low, it may stimulate the contraction of the afferent arteriole which reduces the hydrostatic pressure within and hence lower the GF rate. As less water is filtered out, it increases the BP.

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ANP

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ANP

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ADH, Renin, Angiotensin

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Macula densa cells detect low Na+ renin to be released by juxtamedullary cells and juxtamedullary cells detect low BP and release renin

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Macula densa cells detect low Na+ renin to be released by juxtamedullary cells and juxtamedullary cells detect low BP and release renin

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renin, angiotensin I, II, aldosterone, ADH, adrenaline, noradrenaline 

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renin, angiotensin I, II, aldosterone, ADH, adrenaline, noradrenaline 

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Detects drop in BP in the afferent arterioles  and responds by producing and releasing renin and equalising arteriole size.

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Detects drop in BP in the afferent arterioles  and responds by producing and releasing renin and equalising arteriole size.

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senses blood pressure in afferent arteriole and modifies renin release