mou4 sai3 gun2毛細管毛细管

Jyutpingmou4 sai3 gun2
Yalemòuh sai gún

Definition

Capillary; a tiny blood vessel or a very thin tube.

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How it's used

Used primarily in scientific or medical contexts to describe the smallest blood vessels in the circulatory system. It functions as a technical term rather than a word for everyday casual conversation. When discussing general health or blood circulation, people often use more descriptive phrases like 微絲血管 instead.

Measure word

tiu4tìuh

Examples

These capillaries are very thin and hard to see with the naked eye.

Common mistake

Learners often confuse this with 微絲血管, which is the much more common term used by laypeople in Hong Kong to refer to capillaries in daily life, especially when talking about skin health or visible veins.

Grammar color guide

Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector