Neural and hormonal regulation of renal blood flow splanchnic nerves (+)renal sympathetic nerves celiac plexus Constriction of renal superior mesenteric arterioles plexus Renal blood flow aortic plexus renal plexus Innervation of the Kidney Hormonal regulation: E,NE,ADH,Angiotensin(血管紧张素)
Neural and hormonal regulation of renal blood flow (+)renal sympathetic nerves Constriction of renal arterioles Renal blood flow Hormonal regulation: E,NE,ADH,Angiotensin(血管紧张素)
#The autoregulation maintains the renal blood flow and activity of excretion at rest During severe,acute disturbances such as hyperthermia(高温)and hypoxia(缺氧)it ensures the blood flow of important organs by decreasing the renal blood flow
The autoregulation maintains the renal blood flow and activity of excretion at rest. During severe,acute disturbances such as hyperthermia(高温) and hypoxia(缺氧) it ensures the blood flow of important organs by decreasing the renal blood flow
Section2Urine Formation
Section2 Urine Formation
urine formation glomerular HZAU 肾小球 filtration 毛细血管 I 肾小袁 selective 毛细血管 肾小管 reabsorportion Secretion and excretion
glomerular filtration selective reabsorportion Secretion and excretion urine formation
1.glomerular filtration (video) Occurs as fluids move substances are reabsorbed backinto thefthe across the glomerular peritubular capillaries. capillary in response Click the peritubular to glomerular capillaies to see the third process hydrostatic pressure Firation Reabsorption large proteins and cells stay behind everything else is filtered into nephron 滤过三要素： 屏障、动力、阻力
滤过三要素: 屏障、动力、阻力 1.glomerular filtration (video) Occurs as fluids move across the glomerular capillary in response to glomerular hydrostatic pressure – large proteins and cells stay behind – everything else is filtered into nephron