What are the histological features of spleen?

The spleen is comprised of red pulp and white pulp. The red pulp is the site of blood filtration and the white pulp is lymphoid tissue that responds to blood-borne antigens. Identify under low power some of the structures that are diagnostic of the organ.

What are the normal features of the spleen?

The spleen is an organ in the upper far left part of the abdomen, to the left of the stomach. The spleen varies in size and shape between people, but it’s commonly fist-shaped, purple, and about 4 inches long. Because the spleen is protected by the rib cage, you can’t easily feel it unless it’s abnormally enlarged.

What is the morphology of the spleen?

Morphology of spleen. Spleen is the largest lymphatic organ. It is enclosed by a solid connective tissue capsule composed of dense collagenous connective tissue with small amount of reticular fibers and dispersed smooth muscle cells. The surface of capsule is covered by serous membrane with mesothelium.

Does the spleen have efferent lymphatics?

Unlike lymph nodes, the spleen possesses only efferent lymphatic vessels, because it only filters blood instead of lymph fluid. The splenic artery forms its primary blood supply.

What is the normal measurement of the spleen?

In general, an adult spleen is about 5 inches long, 3 inches wide, 1.5 inches thick, and weighs about 6 ounces.

What is red and white pulp in spleen?

The spleen contains two main types of tissue – white pulp and red pulp. White pulp is material which is part of the immune system (lymphatic tissue) mainly made up of white blood cells. Red pulp is made up of blood-filled cavities (venous sinuses) and splenic cords.

What is red pulp and white pulp of spleen?

What is red pulp of spleen?

The red pulp of the spleen is composed of connective tissue known also as the cords of Billroth and many splenic sinusoids that are engorged with blood, giving it a red color. Its primary function is to filter the blood of antigens, microorganisms, and defective or worn-out red blood cells.