Glomerulus

**Semantic type:** Body Part, Organ, or Organ Component

**Definition:** A tuft of capillaries situated at the entrance to each nephron, within the Bowman's capsule. This tuft functions as the first stage in filtering blood in the kidney.

**Synonyms:** - GLOMERULUS - Glomerular - Malpighian Tuft - Renal Glomerulus - renal glomerulus