Liver

Liver Lobule and Portal Tract

Classic Hepatic lobule

Von Kupffer Cells

Liver Portal Tract

-Portal vein (PV)

-Hepatic artery (A)

-Bile Duct (B)

-Lymphatic vessels (L)

S = Sinusoids

Contents of the Portal Tract

Gall Bladder w/ folded Mucus Membrane

Mucosa of Gall Bladder

Highly FoldedSimple Columnar Epithelium with basal Oval nuclei & acidophilic Cytoplasm(arrows).

These cells secrete ……????

Lamina Propria (L.P.)C.T. with blood vessels

L.P

L.P.

Apical surface of epithelial cells has microvilli No Muscularis Mucosa

L.P.: Contains tubulo-alveolar mucous glands. Produce most of the mucus present in bile.

Musculosa

Irregulary arranged smooth muscle fibers with elastic and collagenous fibers inbetween

Datashow Exam

(1)

This is a high mag. Showing a portal tract areaarea in liver.Identify: A, B & C.

)2(

The mucosa of this organ is highly folded. a) Identify the organ.

b) What is the lining type of epithelium?c) What does the astrix point to?

*

(3)

Identify the contents of the portal tract: Arrows: Black, red, white and yellow.

)4(

a) Identify the organ.b) What does the arrow, arrowhead and curved arrow point

to?

)5(

a) Identify the organ.b) Identify: A, B & arrowheads.

)6(

*

a) Identify the organ.b) Identify: astrix, black and yellow arrows.

)7(

)8(

This section demonstrates a hepatic blood sinusoid.Identify the cells pointed to by the black arrows. What are their functions?

)9(

)10(

)11(