antra

Meaning

1. 1nounplural

   Plural of antrum: hollow cavities or chambers within a bone or organ, such as those in the sinuses or stomach.

   Grammar: Plural of antrum: the maxillary antra.

   Patterns

   • the antra of something

   Infection spread to the maxillary antra behind the cheekbones.

   The surgeon examined the antra of the stomach using a small camera.

   Scans showed fluid in both antra.

Common combinations

maxillary antra

The maxillary antra are the largest sinuses.

gastric antra

The gastric antra are lower parts of the stomach.

mastoid antra

Mastoid antra are small air spaces in the skull.

examine the antra

The doctor examined the antra with an endoscope.

infected antra

Infected antra can cause facial pain.

Synonyms and how they differ

cavities

Cavities is a general word for hollow spaces, while antra names specific chambers.

sinuses

Sinuses are usually the air spaces in the face; antra is a more anatomical term.

chambers

Chambers is plain and less specific.

Word family

antrum noun

a single hollow cavity

antral adjective

relating to an antrum

antrostomy noun

a surgical opening into an antrum

Commonly confused: antra or antre?

Practice

Make it your own

Write a sentence using “antra”, then check it and compare it with the examples above.

Explore more words