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The afferent arteriole.
The afferent arteriole leads into the glomerulus, which is a bundle of small blood vessels located within the Bowman's capsule in the kidney. This is where blood is filtered to form urine in the process of urine formation.
glomerulus. The afferent arteriole leads to a ball of capillaries called a glomerulus which is enclosed in a nephron structure called the glomerular capsule. Blood leaves the glomerulus by way of the efferent arteriole.
Vasodilation of the afferent arteriole is primarily caused by stimuli such as a decrease in oxygen levels (hypoxia), an increase in carbon dioxide levels, prostaglandins, and nitric oxide. These factors signal the arteriole to dilate, increasing blood flow into the glomerulus in the kidney.
Blood enters the kidney through the renal artery, which branches off into smaller arterioles called afferent arterioles that lead to the glomerulus. In the glomerulus, blood is filtered to remove waste products and excess substances. The filtered blood then leaves the kidney through the renal vein.
The nephrons, specifically the glomerulus, are responsible for filtering blood in the kidney. Blood enters the glomerulus through the afferent arteriole and leaves through the efferent arteriole after filtration occurs.
The juxtaglomerular apparatus is located in the kidney, specifically at the point where the afferent arteriole and the distal convoluted tubule come into close contact in the nephron. It plays a key role in regulating blood pressure and kidney function.
Efferent means going away from and afferent is going toward. The afferent arteriole of the kidney carrys blood toward the glomerulus, whereas the efferent arteriole carrys blood away from the glomerulus.
glomerulus, leading to a decrease in blood pressure within the glomerulus. This reduction in pressure may impair the filtration process in the kidney, potentially leading to decreased urine production and retention of waste products in the body.
The structure that drains blood from the glomerulus in the kidney is the efferent arteriole. This arteriole carries blood away from the glomerulus and plays a crucial role in regulating blood flow and pressure within the kidney.
In the majority of the body all arterioles are afferent as they take blood to the organs they supply. however the tru afferent arterioles are only found in the functional unit of the kidney called the nephron. At the very start of the nephron is a bundle of cappillaries that allows diffusion of the majority of the plasma and contents to diffuse out into another structure called the bormans capsule. From the bowmans capsule the liquid travels through the nephron and any substances that the body still wants to keep diffuse back into the blood. The arteriole that carries blood to the glomerulus is the afferent arteriole and the arteriole that recollects the usefull parts comes from the glomerulus and so is called the efferent arteriole.
Here efferent arteriole word is used indicating 'portal' ciculation. It is should be diagonally apposite to afferent arteiole. With most of the 'fluid' filtered through glomeruli. Numbering about 1 million in each kidny. ( kidney filters about 180 liters/ day of fluid filtered through glomeruli and reabsorb more than 180 liters of it. )