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Calyx is a term used in animal anatomy for some cuplike areas or structures. Etymology. Latin, from calyx (from Ancient Greek κάλυξ, case of a bud, husk").
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 ...
Calyx (anatomy), collective name for several cup-like structures in animal anatomy; Calyx (botany), the collective name for the sepals of a flower; Calyce, a genus of beetles; Calyx, a genus of sea sponges; Calyx of Held, a large synapse in the auditory brainstem structure; Eubela calyx, species of sea snail; Renal calyx, a chamber in the ...
The collecting duct system of the kidney consists of a series of tubules and ducts that physically connect nephrons to a minor calyx or directly to the renal pelvis.The collecting duct participates in electrolyte and fluid balance through reabsorption and excretion, processes regulated by the hormones aldosterone and vasopressin (antidiuretic hormone).
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.
The renal pelvis or pelvis of the kidney is the funnel-like dilated part of the ureter in the kidney.It is formed by the convergence of the major calyces, acting as a funnel for urine flowing from the major calyces to the ureter.
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.
calyx. pl. calyces. Collective term for the sepal s of one flower; the outer whorl of a flower, usually green. Compare corolla. calyx tube A tube formed by the fusion of the sepals (calyx), at least at the base. cambium Tissue layer that provides partially undifferentiated cells for plant growth. campanulate Bell-shaped. camptodromous