# von Willebrand factor

> English word · Noun

## Definitions
1. A blood glycoprotein involved in platelet adhesion to wound sites during hemostasis.

## Etymology
From von Willebrand + factor.
Named after Erik Adolf von Willebrand (1870–1949), Finnish physician.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/von-willebrand-factor