Definify.com
Webster 1913 Edition
Peyer's glands
Pey′er’s glandsˊ
.[So called from
J. K.
, who described them in 1677.] Peyer
(Anat.)
Patches of lymphoid nodules, in the walls of the small intestiness; agminated glands; – called also
Peyer’s patches
. In typhoid fever they become the seat of ulcers which are regarded as the characteristic organic lesion of that disease.