[TA] collections of many lymphoid follicles closely packed together in the lamina propria, forming oblong elevations on the mucous membrane of the ileum opposite the attachment of mesentary. SYN: noduli lymphoidei aggregati intestini tonuis [TA], aggregate glands, aggregated lymphatic follicles of small intestine, aggregated lymphatic nodules (1), agmen peyerianum, agminate glands, agminated glands, folliculi lymphatici aggregati, Peyer glands, Peyer patches.
