any cluster or structure of blood vessels or nerves; esp., any of the tiny clusters of capillaries in the kidney which act as filters, initiating the formation of urine
Origin of glomerulusModL: see glomerule
- A small cluster or mass of blood vessels or nerve fibers.
- A tuft of capillaries situated within a Bowman's capsule at the end of a renal tubule in the vertebrate kidney that filters waste products from the blood and thus initiates urine formation.
Origin of glomerulusNew Latin diminutive of Latin glomus glomer- ball