Physiology 5.04
Pathology 5.0X
Stomach physiology and pathology Outline
PHL5.04: Stomach anatomy and physiology
Stomach anatomy
Regions, sphincters, curvatures
Arterial and vascular supply
Innervation
Stomach histology
Mucosa
Gastric glands, cell types
Submucosa, muscularis externa, serosa
Stomach physiology
Motility
Secretion
PAT 5.02 - Stomach pathology
Acute and chronic gastritis
Peptic ulcer disease Stomach - intro
• Stomach is a J-shaped enlargement of GI tract
directly inferior to diaphragm in abdomen
• Most distensible part of GI tract: can accommodate
a large quantity of food
• Functions:
§ Serves as reservoir for food before release into SI
§ Mixes saliva, food and gastric juice to form chyme