U World Flashcards
Brunner gland
Unique to duodenum. Located in the submucosa, they secrete alkalyne pH (9.0) and are tubular glands
Jejunum histology
more goblet cells than duodenum, crypts of lieberkuhn on top of the muscularis mucosa. Heavily lymphocytic infiltration in the lamina propia.
Duodenal histology
villi with columnar epithelium and a brush borders and goblets cells. Islets of lieberkuhn sit on top of the muscularis mucosa. brunner glands in the submucosa
Ileum histology
Similar to jejunum, but with peyer patches adjacent to the villi and crypts
Colon histology
no villi or crypts. islets of leiberkuhn persist with goblets cell in them.
silicosis increases risk of? why?
TB due to impaired macrophage killing
Valproate SE
neural tube defects