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

That similarity allowed the researchers to use the tiny stomachs as test subjects for human disease by injecting them with Helicobacter pylori, a bacterium that targets the antrum and can cause ulcers and stomach cancer.

From Nature

Unfortunately, Wells and his team of researchers were only able to grow part of the human stomach: the lower end, which goes by the name of "antrum" and connects to the intestine.

From The Verge

The dropsical dilatations of the antrum, the vermiform appendage, the uterus, the biliary and renal canals furnish instances of tumors resulting from the retention of secretion on a large scale.

From Project Gutenberg

I found the tumor occupying the whole of the antrum.

From Project Gutenberg

The antrum may be entirely wanting, as in Fig.

From Project Gutenberg