Histology of Liver

The liver is primarily a digestive glands although its has many other functions. It’s the largest gland in the human body that occupies the upper right portion of the abdominal cavity just posterior of the diaphgram. During the embroyonic development it arises as an outgrowth
Of the wall of the primitive gut or duodenum.

The region from its arises become apithelial columns to which mesodermal derivatives soon becomes incorporated to form the adult organ .Its composed of the soft reddish brown tissue usually subdivided into small lobes arranged in various ways .In some mammals there may be as many as six or seven lobes .The liver is surrounded ,beneath its serious coat by a connective tissue covering .the Glisson’s capsule ,which hold the liver lobes together . Thin strands of connective tissue extand from the capsule into substance of the liver an divides each lobes into millions of tiny units called “lobules ” each lobules is about 0.7-2 mm in size .polyhyderal
Columns .

usually showing five to seven sides in a cross section and surrounded by a connective tissue strands . The capsule is thickened to form the porta hepatis as the point where major incoming and outgoing vessels and bile duct enter and leave the liver.