Blood enters each kidney through the renal artery that ramifies (splits) into progressively smaller vessels that ultimately become thin hair-like afferent arterioles. These arterioles branch out as even thinner vessels, known as glomerular capillaries,...

(from Latin, glomus: ball of thread) A glomerulus (plural glomeruli) is a cluster of small elements. There are clusters of CAPILLARIES in the kidney known as glomeruli; and the OLFACTORY GLOMERULI are clusters of axons and dendrites; CEREBELLAR...

A glomerulus is a capillary tuft surrounded by Bowman's capsule in nephrons of the vertebrate kidney. It receives its blood supply from an afferent arteriole of the renal circulation. Unlike most other capillary beds, the glomerulus drains into an...