1. Gall Bladder

2. Definition
A pear shaped sac attached to the posterior surface of the liver by connective tissue
Stores and concentrates bile

3. Parts
Fundus
Body
Neck
Hartman’s pouch or
infundibulum
Cystic duct

4. Structure
Peritoneum covers only the inferior surface
Gall bladder is in contact with the posterior surface of the the liver
Muscle layer – oblique
Mucous membrane – rugae – disappear when full

5. Blood Supply
Cystic artery, a branch of hepatic artery
Venous drainage by the cystic vein portal vein
Nerve supply
Sympathetic nerves fibres from the sympathetic chain in the abdomen
Parasympathetic from vagus

6. Functions of Gall Bladder
Stores bile
Secretes mucus
Absorbs water – concentrates bile by 10 to 15 times
Releases bile when needed
Contraction and release of bile stimulated by cholecystokinin from duodenum
Presence of fat and acid chyme in the duodenum causes Cholecystokinin to be secreted

17. Multiple stones in Gall Bladder