nephron

noun
neph·​ron | \ ˈne-ˌfrän How to pronounce nephron (audio) \

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

Note: A nephron is made up of a glomerulus, Bowman's capsule, proximal convoluted tubule, loop of Henle, distal convoluted tubule, collecting tubule, and collecting duct.

Each kidney contains 1.5 million filters for blood, called nephrons, which carry away waste products.— Michelle Morgan Bolton

First Known Use of nephron

1922, in the meaning defined above

History and Etymology for nephron

German, from Greek nephros

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The first known use of nephron was in 1922

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Cite this Entry

“Nephron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nephron. Accessed 4 Mar. 2021.

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More Definitions for nephron

nephron

noun
neph·​ron | \ ˈnef-ˌrän How to pronounce nephron (audio) \

Medical Definition of nephron

: one of the functional units of the kidney that filters the blood, selectively reabsorbs substances (as glucose, ions, and amino acids), and excretes nitrogenous waste (as urea) and excess water and salts in the form of urine

Note: A nephron is made up of a glomerulus, Bowman's capsule, proximal convoluted tubule, loop of Henle, distal convoluted tubule, collecting tubule, and collecting duct.

Each kidney contains 1.5 million filters for blood, called nephrons, which carry away waste products.— Michelle Morgan Bolton … net urinary excretion of potassium relies on secretion in the distal nephron, a process that is augmented by aldosterone.— Eugene P. Rhee et al.

More from Merriam-Webster on nephron

Nglish: Translation of nephron for Spanish Speakers

Britannica.com: Encyclopedia article about nephron

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