mài bì
Also rendered: Vessel obstruction (this site; vessel for 脉, not meridian) · Vessel impediment (where the whole family of 痺 names is rendered with impediment)
Reviewed · 2026-09
At a glance
The obstruction that comes of meeting the three qi in summer. Summer is the season of the vessels and the vessel is matched with the heart, so a vessel obstruction that will not clear and meets evil again goes inward to the heart — and the sign the chapter gives for obstruction lodged in the vessel is that the blood congeals and does not flow.
Passages where the term does real work, with the original, pinyin and English on the same line.
Every rendering below is a decision about which reader is being addressed. There is no neutral option.
| This site | vessel obstruction | 脉 is rendered vessel throughout, as on the rest of the site |
| Unschuld | vessel blockage | the same construction |
| Wiseman | vessel impediment | impediment for 痺 |
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Reading path
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