3 Lymphatic System Terms

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When studying the Lymphatic When studying the Lymphatic System it is important to System it is important to know many terms. This know many terms. This

presentation is designed to presentation is designed to explain just three of the explain just three of the hundreds of terms used hundreds of terms used

when describing the when describing the Lymphatic System.Lymphatic System.

Interstitial Fluid

The solution that surrounds cells, it is The solution that surrounds cells, it is found in tissue spaces, and is the found in tissue spaces, and is the major component of extra-cellular major component of extra-cellular fluid such as plasma. This helps fluid such as plasma. This helps supply to cells and body with supply to cells and body with nutrients and aids in waste disposal. nutrients and aids in waste disposal. The average person has 2.4 gallons The average person has 2.4 gallons of Interstitial fluid within their body.of Interstitial fluid within their body.

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Lymph Nodes

The average human body contains The average human body contains between 600-700 lymph nodes. between 600-700 lymph nodes. Their role is to filter the lymph Their role is to filter the lymph before returning it to the circulatory before returning it to the circulatory system. Lymph nodes can increase system. Lymph nodes can increase or decrease in size. If a Lymph or decrease in size. If a Lymph node is damaged or destroyed node is damaged or destroyed cannot regenerate.cannot regenerate.

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T-cells (T lymphocytes)

A type of white blood cell that is a key factor A type of white blood cell that is a key factor to the immune system. T cells destroy any to the immune system. T cells destroy any potentially threatened matter. T cells potentially threatened matter. T cells mature in the thymus gland in the neck, mature in the thymus gland in the neck, once fully mature these cells become once fully mature these cells become active in the immune system. There are active in the immune system. There are several types of T cells. They can produce several types of T cells. They can produce substances called cytokines, which substances called cytokines, which stimulate the immune response. T-cell stimulate the immune response. T-cell activation is used as a way to assess activation is used as a way to assess health of patients with HIV/AIDS and some health of patients with HIV/AIDS and some uncommon disorders.uncommon disorders.

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The End