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Antrum - Meaning, Definition & English Examples

An antrum is a natural cavity or chamber within the body, such as the maxillary sinus in the skull or the lower part of the stomach. It is often used in medical contexts.

antrum

/ˈæn.trəm/ /ˈæn.trəm/

Definition:

A natural cavity or chamber in the body, especially in bone.

Synonyms:

cavity, chamber, sinus, hollow

Part of Speech:

noun

Antonyms:

solid mass, protrusion

Common Collocations:

maxillary antrum, pyloric antrum, sinus antrum

Derivatives:

antral, antrectomy

Usage Tips:

Use "antrum" to describe anatomical cavities; avoid in general conversation unless discussing medical or biological contexts.

Common Phrases:

maxillary antrum, pyloric antrum, mastoid antrum

Etymology:

From Latin "antrum," meaning "cave," derived from Greek "ántron."

Examples:

  • 1. The maxillary antrum is a sinus cavity in the cheekbone.
  • 2. The surgeon examined the pyloric antrum during the procedure.
  • 3. An infection can develop in the mastoid antrum behind the ear.
  • 4. The dentist noticed inflammation near the dental antrum on the X-ray.
  • 5. The biopsy confirmed a cyst in the gastric antrum of the stomach.

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