antrum

[ an-truhm ]

noun

, Anatomy.

, plural an·tra [an, -tr, uh].

1. a cavity in a body organ, especially a bone.

antrum

/ ˈæntrəm /

noun

1. anatomy a natural cavity, hollow, or sinus, esp in a bone

Derived Forms

• ˈantral, adjective

Other Words From

• antral adjective

Word History and Origins

Origin of antrum¹

1720–30; < Latin < Greek ántron cave

Word History and Origins

Origin of antrum¹

C14: from Latin: cave, from Greek antron

Example Sentences

Poliantrum, from pollutum antrum, on account of the carcases of men therein buried.

From Project Gutenberg

As a result of this free incision, drainage is given to the contents of the tympanic cavity, attic, and antrum.

From Project Gutenberg

Macewen, who first described this triangle, gave it as a guide for the exposure of the antrum.

From Project Gutenberg

The method of opening the antrum in a straightforward case will first be described.

From Project Gutenberg

As soon as the antrum is reached, pus will be seen to ooze through the opening made, especially if it is under tension.

From Project Gutenberg