kidney

1. Either of two bean-shaped excretory organs that filter wastes (especially urea) from the blood and excrete them and water in urine (synset 105340350)
   "urine passes out of the kidney through ureters to the bladder"
   is a type of: excretory organ, urinary organ - an organ that separates waste substances from the blood and discharges them
   has:

   • nephron, uriniferous tubule - any of the small tubules that are the excretory units of the vertebrate kidney
   • adrenal, adrenal gland, suprarenal gland - either of a pair of complex endocrine glands situated near the kidney
   • arcuate artery of the kidney - curved arteries of the kidney
   • arteria renalis, renal artery - an artery originating from the abdominal aorta and supplying the kidneys and adrenal glands and ureters
   • arcuate vein of the kidney, vena arcuata renis - veins that receive blood from interlobular veins of kidney and rectal venules
   • renal vein, vena renalis - veins that accompany renal arteries; open into the vena cava at the level of the 2nd lumbar vertebra
   • venae interlobulares renis - interlobular veins of the kidney; receive blood from the arcuate vein and empty into the renal veins
   • venae renis - veins of the kidney; drain the kidney into the renal vein
   • renal cortex - the cortex of the kidney containing the glomeruli and the convoluted tubules
   • pelvis, renal pelvis - a structure shaped like a funnel in the outlet of the kidney into which urine is discharged before passing into the ureter
   is a part of: urinary tract - the organs and tubes involved in the production and excretion of urine

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