#kidney  either of two bean-shaped excretory organs that filter wastes (especially urea) from the blood and excrete them and water in urine; urine passes out of the kidney through ureters to the bladder
  supertype:  #excretory_organ__excretoryorgan__urinary_organ__urinaryorgan  an organ that separates waste substances from the blood and discharges them
  part of:  #urogenital_system  #urinary_tract
  part:  #nephron__uriniferous_tubule__uriniferoustubule  any of the small tubules that are the excretory units of the vertebrate kidney
     part:  #malpighian_body__malpighian_corpuscle__renal_corpuscle__renalcorpuscle  the capsule that contains Bowman's capsule and a glomerulus at the expanded end of a nephron
        part:  #Bowman's_capsule__glomerular_capsule__capsula_glomeruli__capsulaglomeruli  thin double membrane surrounding the glomerulus of a nephron
        part:  #glomerulus  a small intertwined group of capillaries in the malpighian body; glomeruli filter blood during urine formation
  part:  #adrenal_gland__adrenalgland__adrenal__suprarenal_gland  either of a pair of complex endocrine glands situated near the kidney
     part:  #adrenal_cortex__adrenalcortex  the cortex of the adrenal gland; secretes corticosterone and sex hormones
     part:  #adrenal_medulla__adrenalmedulla  the medulla of the adrenal gland; secretes epinephrine
  part:  #arcuate_artery_of_the_kidney  curved arteries of the kidney
  part:  #renal_artery__renalartery__arteria_renalis  an artery originating from the abdominal aorta and supplying the kidneys and adrenal glands and ureters
  part:  #arcuate_vein_of_the_kidney__vena_arcuata_renis  veins that receive blood from interlobular veins of kidney and rectal venules
  part:  #renal_vein__renalvein__vena_renalis  veins that accompany renal arteries; open into the vena cava at the level of the 2nd lumbar vertebra
  part:  #venae_interlobulares_renis  interlobular veins of the kidney; receive blood from the arcuate vein and empty into the renal veins
  part:  #venae_renis__venaereni  veins of the kidney; drain the kidney into the renal vein
  part:  #renal_cortex__renalcortex  the cortex of the kidney containing the glomeruli and the convoluted tubules
  part:  #renal_pelvis__pelvis  a structure shaped like a funnel in the outlet of the kidney into which urine is discharged before passing into the ureter

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