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  2. Peritubular capillaries - Wikipedia

    en.wikipedia.org/wiki/Peritubular_capillaries

    Peritubular capillaries surround the cortical parts of the proximal and distal tubules, while the vasa recta go into the medulla to approach the loop of Henle. [1] [2] About one-fifth of the blood plasma is filtered into Bowman's capsule as the blood passes through the glomerular capillaries; four-fifths continues into the peritubular capillaries.

  3. Nephron - Wikipedia

    en.wikipedia.org/wiki/Nephron

    About one-fifth of the plasma is filtered as the blood passes through the glomerular capillaries; four-fifths continues into the peritubular capillaries. Normally the only components of the blood that are not filtered into Bowman's capsule are blood proteins, red blood cells, white blood cells and platelets. Over 150 liters of fluid enter the ...

  4. Afferent arterioles - Wikipedia

    en.wikipedia.org/wiki/Afferent_arterioles

    When renal blood flow is reduced (indicating hypotension) or there is a decrease in sodium or chloride ion concentration, the macula densa of the distal tubule releases prostaglandins (mainly PGI2 and PGE2) and nitric oxide, which cause the juxtaglomerular cells lining the afferent arterioles to release renin, activating the renin–angiotensin–aldosterone system, to increase blood pressure ...

  5. Renal circulation - Wikipedia

    en.wikipedia.org/wiki/Renal_circulation

    The renal circulation supplies the blood to the kidneys via the renal arteries, left and right, which branch directly from the abdominal aorta.Despite their relatively small size, the kidneys receive approximately 20% of the cardiac output.

  6. Loop of Henle - Wikipedia

    en.wikipedia.org/wiki/Loop_of_Henle

    Flow of the fluid through the entire loop of Henle is considered slow. As flow increases, the ability of the loop to maintain its osmolar gradient is reduced. The vasa recta (capillary loops) also have a slow flow as well. Increases in vasa recta flow wash away metabolites and cause the medulla to lose osmolarity as well.

  7. Kidney - Wikipedia

    en.wikipedia.org/wiki/Kidney

    Reabsorption is the transport of molecules from this ultrafiltrate and into the peritubular capillary network that surrounds the nephron tubules. [33] It is accomplished via selective receptors on the luminal cell membrane. Water is 55% reabsorbed in the proximal tubule. Glucose at normal plasma levels is completely reabsorbed in the proximal ...

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  9. Ascending limb of loop of Henle - Wikipedia

    en.wikipedia.org/wiki/Ascending_limb_of_loop_of...

    The ascending limb of the loop of Henle is a direct continuation from the descending limb of loop of Henle, and one of the structures in the nephron of the kidney. The ascending limb has a thin and a thick segment.