Meaning & use
Antrum
Last updated
A natural cavity or chamber in the body, especially in a bone or organ.
See it in a sentence
The radiologist noted fluid buildup in the maxillary antrum on the scan.
The stomach's antrum plays a key role in grinding food before it enters the small intestine.
A note on using this word
From Latin 'antrum', meaning 'cave'; the term is common in anatomy, as in the 'antral follicle' of the ovary.
Words with a similar meaning
cavitychamber
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