Stomach Normal A/P (Exam 3) Flashcards
Esophageal Sphincters
Upper esophageal sphincter prevents food and fluids from being aspirated into lungs
LES (cardiac spichters) Prevents acidic contents of stomach from entering back into esophagus
Stomach
Elastic reservoir for food, mixing, and initial digestion of proteins. Normal capacity is 100-1500ml
Layers of stomach
Mucosa: Inner layer made up fo special cells
Sorosa: Outer layer acts as covering
G cells
Produce gastrin, a hormone that facilitates production of HCL
Parietal Cells
Produce HCL to help break down food
Produce IF to protect mucosa
Chief Cells
Secrete Pepsin
Epithelial Cells
Secrete bicarbonate-rich solution to coat and protect mucosa
Small Intestine Order
Duodenum
Jejunum
Ileum
Crypts of Lieberkuhn
Cells of the small intestinal glad that secrete about 2L of fluid/day into lumen of intestine
The fluid is reabsorbed by villi
Goblet Cells and Brunner Glands
Secrete large amounts of mucus to protect small intestine from damage of acidic gastric juices
Sphincter where food passes from the small to the large intestine?
Ileocecal