1. Pathches 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.
Origin: So called from J.K.Peyer, who described them in 1677.
Source: Websters Dictionary
(01 Mar 1998)
Peyer's Glands Pictures
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