BIO131 final HORMONES

triggered by high map. It causes the afferent arterioles to contract to decrease flow rate, lowering MAP and GFR 

if the myogenic isn't enough, the macula densa senses salt and tells the afferent arteriole to constrict more

it decreases GFR to prevent H2O loss when MAP is lower than 80 mmHg

adrenal cortex

increases GFR to reduce fluid volume in the body when map is above 180 mmHg

filtered substances might not be fully absorbed

accumulation of waste products

increases surface area of the mesangial cells to relax the cell for more filtration 

help help my BP is low, come and save me angio

descending limb only permeable to water

ascending limb only permeable to salt

set up osmolarity gradient in the vasa recta that allows reabsorption of water in the collecting duct and descending limb.

comes from the kidney, turns angiotensinosen into angiotensin 1 when blood flow to the kidney is low

activated when BP is low. causes constriction in blood vessels to create more resistance and raise blood pressure

regulates sodium and potassium(reabsorption of salts)

comes from RAA in adrenal cortex

reabsorbs water, posterior pituitary gland