Digestive system - liver, Biology

LIVER (HEPAR) -

  1. Largest gland of body. Weighing 1.6 kg. Form 1/40 of the body weight. Bio-chemical laboratory.
  2. Bussiest part in whole river of life. Dark reddish brown in colour.
  3. Situated on right side attaches to posterior concavity of diaphragm by a fold of peritonium i.e. Falciparum ligament.
  4. Bile juice is synthesized and secreted by cholerosis.
  5. It is made up of 4 lobes- right lobe, left lobe, quadrate & caudata lobe. (In rabbit 5 lobes).
  6. On right central lobe gall bladder is situated. Gall bladder stores bile juice.
  7. Its basal part is fundus. Its duct is cystic duct.
  8. Gall bladder is absent in rodent, cetacean & parissodactyla.
  9. Stone in gall bladder is cholycystosis due to more concentration of cholesterol which causes crystalization.
  10. Each lobe is made up of numerous lobules. Structure of each lobule is similar.
  11. It is surrounded by Glisson's capsule.
  12. Lobule is made up hepatic cells which form radially arranged hepatic cords.
  13. Between two hepatic cords blood sinuoids present.
  14. On periphery Kupffer's cells present, phagocytic in nature.
  15. On each corner of lobule portal traid present in which hepatic artery interlobular vein (part of hepatic portal sy.) & bile duct present. In hepatic cell conaliculli present.
  16. All canaliculi open into Hering's canal which form bile duct.
  17. Hepatic artery and inter labular vein supply blood to liver.
  18. Blood is collected from lobule by large central singel intralobular vein.

2411_liver.png

Posted Date: 10/1/2012 7:42:50 AM | Location : United States







Related Discussions:- Digestive system - liver, Assignment Help, Ask Question on Digestive system - liver, Get Answer, Expert's Help, Digestive system - liver Discussions

Write discussion on Digestive system - liver
Your posts are moderated
Related Questions
Contamination due to Pathogens - Water Pollution Sewage is a source of pathogenic viruses, bacteria, worms and other parasites. The extent of contamination by these pathogens

Define Protein-Energy malnutrition - Nutritional Deficiency? Even in normal times, PEM is a problem in many developing countries, most commonly affecting children between

Haemocyanin - Respiratory Pigments This pigment is found in several arthropods and molluscs. Haemocyanins do not consist of haee groups. The metal they consist of is copper, w

The law of contract is that the branch of law which determines the circumstances in which promises made by the parities to a contract shall be legally binding on them. Its rules de

Pleural, Pericardial, and Ascitic fluid Collection:      The procedure is called paracentesis . If for pleural cavity is called thoracocentesis , and for pericardial cavity c

T hese are some important uses of biodiversity. 1.   Source of food, medicines and drugs: (a)       Wheat, rice and maize are three carbohydrate rich crops and contribute

How does the odor of flower petals help pollination? The purpose of the perfume is to attract a pollinator - insect, bat, bird or whatever. The reward for the pollinator is a m

Avian leucosis complex (ALC) The disease in poultry is caused by an RNA virus classified under avian type C Retrovirus group under the family Retroviridae. Epidemiology:

Nutrients and the Soil Early experiments on mineral uptake were performed by Hoagland, Stout and Amon in 1923. They showed that minerals were taken up from the soil primarily

MODIFICATION OF MITOSIS 1 .      CRYPTOMITOSIS OR PROMITOSIS : Primitive type of mitosis. In this mitosis nuclear membrane not disappear (remain intact throughout the div