Ayre brush

Ay·re brush

(ār),
a device consisting of a long flexible tube with a brush at the distal end, for collecting gastric mucosal cells in cancer detection studies; after positioning in the stomach the brush is rotated and "sweeps" cells from the mucosa.

Ayre,

J. Ernest, U.S. gynecologist, 1910–.
Ayre brush - a device for collecting gastric mucosal cells in cancer detection studies.