Gall bladder

By-

Mr. ASHOK BISHNOI

Lecturer,JINR

It is Pear shaped sac

It is about 7 to 10 cm long

3 cm broad

It is having 30-50 ml in capacity

Introduction:-

Structure:-

Is attached to the posterior surface of liver by connective tissue

Parts of gallbladder:-

It is divided in to3 parts:-

◦ Body

◦ Fundus

◦ Neck

Cystic duct:-

It is about 3 to 4 cm longIt begin at the neck of gallbladder run backwards, downwards & to left & ends by joining by hepatic ducts at the acute angle to form the bile duct

Bile duct:-

It is about 8cm longAbout 3cm in diameterIt formed by the union of cystic & common bile duct

Blood supply by:-Cystic artery & branch of hepatic artery.

Venous drainage by :-Cystic vein Portal vein

Reservoir of bile

Release of stored bile

Absorption of water & concentration of bile.

Regulate pressure in the bilery system by contraction & dilation

Function:-

Note:- Gallbladder is absent in horse, deer, pigeon & white rat.

Metabolism:- Break down the process involving a set of chemical reactions that modifies a molecule into another for storage.

Anabolism:- Synthesis of large molecule to simpler one

Catabolism:- Breakdown large molecule to small molecules & release chemical energy.