# Precapillary sphincter

> A precapillary sphincter is a band of smooth muscle that adjusts blood flow into capillaries mainly in the mesenteric microcirculation

**Wikidata**: [Q3958695](https://www.wikidata.org/wiki/Q3958695)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Precapillary_sphincter)  
**Source**: https://4ort.xyz/entity/precapillary-sphincter