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glomerulus Line breaks: glom¦eru¦lus
Pronunciation: /ɡlɒˈmɛr(j)ʊləs/

Definition of glomerulus in English:

noun (plural glomeruli ɡlɒˈmɛr(j)ʊlʌɪɡlɒˈmɛr(j)ʊliː)

Anatomy & Biology
A cluster of nerve endings, spores, or small blood vessels, especially a cluster of capillaries around the end of a kidney tubule.
Example sentences
  • In the kidney, the glomeruli show thickened capillary walls and endothelial swelling.
  • The neoplastic cells surrounded glomeruli and invaded renal tubules forming lymphoepithelial lesions.
  • Fairly well differentiated renal tissue with embryonic glomeruli and tubules.


Pronunciation: /ɡlɒˈmɛr(j)ʊlə/
Example sentences
  • By light microscopy, glomeruli showed glomerular basement membrane thickening.
  • This force drives plasma from the glomerular capillaries into the nephrons.
  • Jones silver stains highlighted the basement membrane spikes in some, but not all, glomerular capillaries.


Mid 19th century: modern Latin, diminutive of Latin glomus, glomer- 'ball of thread'.

Definition of glomerulus in:
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