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  2. Renal artery - Wikipedia

    en.wikipedia.org/wiki/Renal_artery

    Before reaching the hilus of the kidney, each artery divides into four or five branches. The anterior branches (the upper, middle, lower and apical segmental arteries) lie between the renal vein and ureter, the vein being in front, the ureter behind. The posterior branches, which are fewer in number and include the posterior segmental artery ...

  3. Renal circulation - Wikipedia

    en.wikipedia.org/wiki/Renal_circulation

    Each renal artery branches into segmental arteries, dividing further into interlobar arteries, which penetrate the renal capsule and extend through the renal columns between the renal pyramids. The interlobar arteries then supply blood to the arcuate arteries that run through the boundary of the cortex and the medulla.

  4. Kidney - Wikipedia

    en.wikipedia.org/wiki/Kidney

    The kidneys receive blood from the renal arteries, left and right, which branch directly from the abdominal aorta. The kidneys receive approximately 20–25% of cardiac output in adult human. [ 18 ] [ 20 ] [ 21 ] Each renal artery branches into segmental arteries, dividing further into interlobar arteries , which penetrate the renal capsule and ...

  5. 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 ...

  6. Interlobular arteries - Wikipedia

    en.wikipedia.org/wiki/Interlobular_arteries

    In their outward course, they give off lateral branches, which are the afferent arterioles that supply the renal corpuscles. The afferent arterioles, then, enter Bowman's capsule and end in the glomerulus. From each glomerulus, the corresponding efferent arteriole arises and then exits the capsule near the point where the afferent arteriole enters

  7. Interlobar arteries - Wikipedia

    en.wikipedia.org/wiki/Interlobar_arteries

    The interlobar arteries branch from the lobar arteries which branch from the segmental arteries, ... "Urinary System: neonatal kidney, vasculature" Diagram at eku.edu ...

  8. Mammalian kidney - Wikipedia

    en.wikipedia.org/wiki/Mammalian_kidney

    Blood enters the kidney through the renal artery, [55] which in the multilobar kidney branches in the area of the renal pelvis into large interlobar arteries that pass through the renal columns. [ 10 ] [ 109 ] The interlobar arteries branch at the base of the pyramid, giving rise to arcuate arteries , from which the interlobular arteries extend ...

  9. Vasa recta (kidney) - Wikipedia

    en.wikipedia.org/wiki/Vasa_recta_(kidney)

    Terminations of the vasa recta form the straight venules, branches from the plexuses at the apices of the medullary pyramids. They run outward in a straight course between the tubes of the medullary substance and join the interlobular veins to form venous arcades. These in turn unite and form veins which pass along the sides of the renal pyramids.