Bile

Created by anyajanegoodall 

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Bile is concentrated and stored in the

gallbladder

Bile is stored in the gallbladder until

it is needed in the duodenum

The gallbladder is

a hollow muscular bag attached to the interior surface of the liver. (is about the size of a kiwifruit)

The biliary tree is a

series of ducts taking the bile from the liver to the duodenum

Bile is moved by

peristalsis

Bile ducts are

hollow tubes composed of inner circular and outer longitudinal layers of smooth muscle.

Bile ducts are lined

with epithelium containing mucus glands thrown into folds.

What colour is Bile

Yellow-green fluid

Bile is made by the

Liver hepatocytes.

Bile is made of

Bicarbonate, bile salts, bile pigments, phospholipids, neutral fats (triglycerides - fatty acids and glycerol), cholesterol, lipid soluble drugs and hormones.

Function of bile salts

Cholesterol derivatives. Emulsify fats, used in absorption of digested fats, and are reused.

function of Bile pigments

Bilirubin, from erythrocytes. Colour and deodorize faeces.

Function of phospholipids

e.g. lecithin used in absorption of fats

Bile enters the duodenum by

the common bile duct runs through the head of the pancreas. It joins the pancreatic duct to form the hepatopancreatic ampulla. The bile enters the duodenum through the hepatopancreatic sphincter.

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