L11: Gall Stones Flashcards
Functions of Gall Bladder
- Reservoir or Bile
- Concentration of Bile
- Mucus Secretion
Resrvoir For Bile
Bile is excreted by …..
The liver
Bile is stored in …..
The gall bladder
Total of about 500 to 1000 ml per day
Release of Bile
Concentration of Bile
How much bile is water?
98%
How Much is bile concentrated?
Get concentrated 5-10 times
How is Bile Concentrated?
Results of Bile Concentration
Mucus Secretion by Gall Bladder
Amount of mucus by GB
Secretes about 20 ml of mucus per day
Surgical Importance of mucus secreted by GB
Obstruction to the cystic duct causes mucocele of the
Bile is formed of …..
pH of Bile
More Than 7
Amount Of Bile
500-1000 ml/day, 98% is water.
Capacity of GB
Gall bladder is 40-50 ml
Release of Bile
Fatty food stimulation releases cholecystokinin results in:
- Stimulates gall bladder to contract.
- At the same time, the sphincter of Oddi to relax.
Content of Bile
- Inorganic ions (more than plasma)
- Hence, severe electrolyte imbalance is seen in the biliary fistula
Fate of Bile
They are metabolized in the colon to deoxycholic acid & lithocholic acids.
Function of Bile
- Main function of bile acids in the bile is To maintain cholesterol in the solution
Another Name of Gall Stone Disease
Cholelithiasis
Etiology of Gall Stone Disease
Metabolic Causes of Gall Stone Disease
Conditions that increase cholesterol secretion & can results in stone formation:
- Obesity
- High-calorie diet
- Medications
Cholesterol
- Production
- Gives Rise to
- Execretion
Cholesterol is water insoluble so…
What maintains cholesterol in liquid form?
Mechanism of stone formations
Infections & Gallstones
The most common cause responsible for a gall stone in 80% of patients
Source of infections causing GSD
tonsils, tooth, bowel, etc.