Stomach Flashcards
Name the parts of the STOMACH
Cardia Fundus Body Pyloric antrum Pyloric canal Pyloric sphincter
Components of the MUCOSA
simple columnar epithelium
lamina propria
muscularis mucosa
Name the 3 types of exocrine gland cells of the STOMACH
Chief cells
Parietal cells
Enteric endocrine cells
Role of CHIEF CELLS
Produce PEPSINOGEN
Role of PARIETAL CELLS
Secrete H+ and Cl-
Secrete INTRINSIC FACTOR
Role of ENTERIC ENDOCRINE CELLS
Secrete HORMONES
What is PROPULSION
The gastric movement from the body of the stomach to the pyloric antrum
What is RETROPULSION?
Movement from the pyloric sphincter to the body of the stomach when food is too large to fit through
What is GASTRIC EMPTYING?
The movement of food out of the pyloric sphincter
What stimulates HCl secretion?
Acetylcholine, stimulated by the PARASYMPATHETIC nervous system
pH of the STOMACH
pH 2
Blood supply to the STOMACH
Coeliac trunk
Left gastric artery
Common Hepatic artery- right gastroduodenal, right gastric
Splenic- short gastric, left gastroduodenal