nephron

noun neph·ron \ ˈne-ˌfrän \

Definition of nephron

: one of the functional units of the kidney that filters the blood, selectively reabsorbs substances (such as glucose, ions, and amino acids), and excretes nitrogenous waste (such as urea) and excess water and salts in the form of urine
  • Each kidney contains 1.5 million filters for blood, called nephrons, which carry away waste products.
  • —Michelle Morgan Bolton

Origin and Etymology of nephron

German, from Greek nephros


Medical Dictionary

nephron

noun neph·ron \ ˈnef-ˌrän \

medical Definition of nephron

: a single excretory unit especially of the vertebrate kidney typically consisting of a renal corpuscle, renal tubule, collecting tubule, and vascular and supporting tissues and discharging urine into the collecting ducts


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