antrum

antrum Definition

an·trum (an′trəm)

noun pl. -·tra-trə or -·trums

Anat. a cavity, esp. one within a bone, as either of a pair of sinuses in the upper jaw

Etymology: L < Gr antron, cave < IE *antrom

antrum Usage Examples

Adjective modifier

gastric: With endoscope in the gastric antrum, pass the floppy end of a guide-wire via the biopsy channel until end is seen in antrum.
pyloric: Stomach The stomach is divided into three areas: The fundus The body The pyloric antrum.

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