[An electron microscopic observation of the lymphoid nodule].
D004583:Electrons; D007421:Intestine, Small / Q000033:anatomy & histology*; D007422:Intestines; D008206:Lymphatic Diseases; D008221:Lymphoid Tissue / Q000033:anatomy & histology*
INTESTINE, SMALL/anatomy and histology; LYMPHOID TISSUE/anatomy and histology