| 释义 |
pey·er's patch
\ˈpī(ə)rz-\ noun
also peyer's gland
Usage: usually capitalized 1st P
: any of numerous large oval patches of closely aggregated lymph follicles in the walls of the small intestines especially in the ileum that partially or entirely disappear in advanced life and in typhoid fever become the seat of ulcers which may perforate the intestines |