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  2. Renal calyx - Wikipedia

    en.wikipedia.org/wiki/Renal_calyx

    The renal calyces (sg. calyx) are conduits in the kidney through which urine passes. The minor calyces form a cup-shaped drain around the apex of the renal pyramids.Urine formed in the kidney passes through a renal papilla at the apex into the minor calyx; four or five minor calyces converge to form a major calyx through which urine passes into the renal pelvis (which in turn drains urine out ...

  3. Collecting duct system - Wikipedia

    en.wikipedia.org/wiki/Collecting_duct_system

    Diagram outlining movement of ions in nephron, with the collecting ducts on the right. The collecting duct system is the final component of the kidney to influence the body's electrolyte and fluid balance. In humans, the system accounts for 4–5% of the kidney's reabsorption of sodium and 5% of the kidney's reabsorption of water. At times of ...

  4. Calyx (anatomy) - Wikipedia

    en.wikipedia.org/wiki/Calyx_(anatomy)

    Either a minor calyx in the kidney, a conglomeration of two or three minor calyces to form a major calyx, or the Calyx of Held, a particularly large synapse in the mammalian auditory central nervous system, named by H. Held in his 1893 article Die centrale Gehörleitung, [3] due to its flower-petal-like shape.

  5. Kidney - Wikipedia

    en.wikipedia.org/wiki/Kidney

    The tip, or papilla, of each pyramid empties urine into a minor calyx; minor calyces empty into major calyces, and major calyces empty into the renal pelvis. This becomes the ureter. At the hilum, the ureter and renal vein exit the kidney and the renal artery enters. Hilar fat and lymphatic tissue with lymph nodes surround these structures.

  6. Mammalian kidney - Wikipedia

    en.wikipedia.org/wiki/Mammalian_kidney

    In some species, there may be differences in the anatomy of the lymphatic system of the kidney. For example, sheep lack lymphatics in the renal capsule, and rabbits lack interlobular lymphatics. [119] Most studies fail to detect lymphatic vessels in the renal medulla of animals, in particular, they are not found in sheep and rats.

  7. Renal circulation - Wikipedia

    en.wikipedia.org/wiki/Renal_circulation

    Minor calyx • 9. ... Major calyx • 16. ... This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

  8. Renal pelvis - Wikipedia

    en.wikipedia.org/wiki/Renal_pelvis

    The size of the renal pelvis plays a major role in the grading of hydronephrosis. Normally, the anteroposterior diameter of the renal pelvis is less than 4 mm in fetuses up to 32 weeks of gestational age and 7 mm afterwards. [2] In adults, 13% of the normal population have a transverse pelvic diameter of over 10 mm. [3]

  9. Renal sinus - Wikipedia

    en.wikipedia.org/wiki/Renal_sinus

    The renal sinus is a cavity within the kidney which is occupied by the renal pelvis, renal calyces, blood vessels, nerves and fat.The renal hilum extends into a large cavity within the kidney occupied by the renal vessels, minor renal calyces, major renal calyces, renal pelvis and some adipose tissue.