Question

Power point presentation on liver.

Answer 1

INTRODUCTION :

• It is the largest gland of the body .

• Liver occupying much of the right upper part of the abdominal cavity.

MAIN FUNCTION :

• It secretes biles and store glycogen.

• It synthesizes the serum proteins and lipids.

• It detoxifies blood from endogenous and exogenous substance.

LOCATION :

• The liver almost fully occupies the right hypochondrium .

• Upper part of the epigastrium .

SHAPE :

• Liver is wedge shaped and resembles a four sided pyramid laid on the side with its base directed towards the right and apex directed towards left.

COLOR :

• It is red brown in color.

WEIGHT :

• In males -- 1.4 to 1.8 kg

• In females -- 1.2 to 1.4 kg

• At birth -- 150 gm

LOBES OF THE LIVER :

• The liver is divided into two lobes ,right and left by the attachment of the falciform ligament.

• The right lobe which forms the base of the wedge shaped liver is approximately 6 times larger than the left lobes.

BLOOD SUPPLY :

• It is highly vascular organ .

• It receives blood from two sources .The arterial blood is supplied by the hepatic artery and venous blood is supplied by the portal vein .

VENOUS DRAINAGE :

• Most of the venous blood from liver is drained by three large hepatic vein .

NERVE SUPPLY :

• The liver is supplied by both sympathetic and parasympathetic fibers.