HealthAugust 11, 2026

perivascular

pehr-ih-VAS-kyoo-ler

Definition

Located around or surrounding a blood vessel.

Etymology

Derived from the Greek 'peri-' meaning 'around' and the Latin 'vasculum' meaning 'small vessel'. It entered scientific English in the 19th century to describe anatomical proximity to blood vessels.

In the news

In the study of Alzheimer's, researchers focus on perivascular spaces as pathways where immune cells interact with the brain's environment, impacting disease progression.

Study of Brain Immune Cells Reveals New Clues to Alzheimer’s Disease Progression

Read the full article ↗

Neuroscience News

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