[ gloh-mer-yuh-luhs, gluh- ]

noun,plural glo·mer·u·li [gloh-mer-yuh-lahy, gluh-]. /gloʊˈmɛr yəˌlaɪ, glə-/. Anatomy.
  1. a compact cluster of capillaries.

  2. Also called Malpighian tuft. a tuft of convoluted capillaries in the nephron of a kidney, functioning to remove certain substances from the blood before it flows into the convoluted tubule.

Origin of glomerulus

1855–60; <New Latin, equivalent to Latin glomer- (stem of glomus) ball-shaped mass + -ulus-ule

Other words from glomerulus

  • glo·mer·u·lar, adjective

Words Nearby glomerulus Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use glomerulus in a sentence

British Dictionary definitions for glomerulus


/ (ɡlɒˈmɛrʊləs) /

nounplural -li (-ˌlaɪ)
  1. a knot of blood vessels in the kidney projecting into the capsular end of a urine-secreting tubule

  2. any cluster or coil of blood vessels, nerve fibres, etc, in the body

Origin of glomerulus

C18: from New Latin, diminutive of glomus ball

Derived forms of glomerulus

  • glomerular, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for glomerulus


[ glō-mĕryə-ləs ]

Plural glomeruli (glō-mĕryə-lī′)
  1. A knot of highly permeable capillaries located within the Bowman's capsule of a nephron. Waste products are filtered from the blood in the glomerulus, initiating the process of urine formation.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.