Structure and function of the spleen essay

Computed tomography CT scan: Red pulp forms bulk of matrix and is the site of formation of RBCs in the foetal life and also helps in storage of RBCs, while white pulp occurs in patches and stores the T- lymphocytes. Location and Structure of Spleen 2.

It also acts as a filter and traps the blood- born micro-organisms. The lymphocytes produce antibodies to kill the foreign microorganisms and stop infections from spreading.

The spleen can increase in size in order to store blood. This is the largest one of the lymph organs. The cervix dilates when in labour. Oestrogen and Progesterone are produced here. These are also the sites of formation of lymphocytes which form antibodies to provide immunity.

Old red blood cells are recycled in the spleen, and platelets and white blood cells are stored there. Healthy blood cells can easily pass, but old or damaged red blood cells are broken down by large white blood cells.

This is the site of pregnancy where the developing baby grows. Treatment for spleen cancer will depend on the type of cancer and how much it has spread. A ruptured spleen is the highest grade of broken spleen injury, according to HealthTapan online network of doctors who answer health questions.

British Journal of Radiology, ; vol The enlargement of the spleen is called splenomegaly. Its long axis lies in the line of the tenth rib. Splenomegaly can result in abnormally few platelets circulating in the bloodstream where they belong. Contains venous sinuses cavities filled with bloodand splenic cords connective tissues containing red blood cells and white blood cells.

Cortex has follicular aggregations of B-lymphocytes which form spherical masses of cells called primary nodules. Around one-quarter of our lymphocytes a type of white blood cell are stored in the spleen at any one time. People with sickle cell disease need immunizations to prevent illnesses their spleen helped fight.

It is an important organ for keeping bodily fluids balanced, but it is possible to live without it. Spleen problems Some problems associated with the spleen are: He described the blood cells of mammals, birds, amphibians, and fish, noting that those of fish and amphibians were oval in shape and contained a central body i.

It is a fist-sized organ, that is present adjacent to the stomach and pancreas. Central medulla and outer cortex. These are those lymphoid organs where immature lymphocytes differentiate to antigen-sensitive lymphocytes e.

They produce the hormone oestrogen and progesterone. This layer is surrounded by a marginal sinus.

All about the spleen

Capsule is produced inward as branched septa called trabeculae. A tube either side of the uterus receives the released eggs from the ovaries. Feb 24, Did You Know?

In certain cases, a surgeon may opt for one large incision, instead. Briefly summarized, this doctrine states that cells are the fundamental units of both structure and function in all living things; that all forms of life animal, plant, and microbial are composed of cells and their secretions; and that cells arise only from preexisting cells, each cell haying a life of its own in addition to its integrated role in multi-cellular organisms.

The red pulp tissue filters the blood and gets rid of old or damaged red blood cells.

Essay on Lymphoid Organs | Lymphatic System | Humans | Biology

Additional reporting by Alina Bradford, Live Science contributor. An enlarged spleen can also be the result of spleen cancer. By pressing on the belly under the left ribcage, a doctor can feel an enlarged spleen.

An injured spleen may rupture immediately after an injury, or in some cases, days or weeks after an injury. Inner matrix of lymph node is differentiated into two parts: Healthy cells flow straight through, but those considered to be unhealthy are broken down by large white blood cells called macrophages.The spleen is an important part of the immune system, and is an organ found in almost all vertebrates.

This article provides you with information regarding the structure, location, and function of the spleen. WebMD's Spleen Anatomy Page provides a detailed picture, definition, and information about the spleen.

Learn about its function, location in the body, and conditions that can affect the spleen. Essay on Cell Biology. Briefly summarized, this doctrine states that cells are the fundamental units of both structure and function in all living things; that all forms of life (animal, plant, and microbial) are composed of cells and their secretions; and that cells arise only from preexisting cells, each cell haying a life of its own in.

What Is the Function of the Spleen? By Jessica Pestka, eHow Contributor updated: April 28, The spleen is an internal organ, about the size of. STRUCTURE AND FUNCTION OF THE SPLEEN Reina E. Mebius and Georg Kraal Abstract | The spleen combines the innate and adaptive immune system in a uniquely organized way.

The structure of the spleen enables it to remove older erythrocytes from the circulation and leads to the efficient removal of blood-borne microorganisms and. Location and Structure of Spleen 2. Blood Circulation in Spleen 3.

Picture of the Spleen

Functions. Location and Structure of Spleen: Spleen lies in between the fundus of the stomĀ­ach and the diaphragm. The spleen is soft, highly vascular and dark purple in colour. The spleen is the largest single mass of lymphatic tissue in the body.

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Structure and function of the spleen essay
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