Lymphatic System (B PHARM, D, PHARM).pptx

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1. By – Shubham maurya B. Pharm, M . Pharm @Pharmacy with shubham Lymphatic System ( LYMPH NODES, Lymph vessels, Lymph, Lymphatic organs.  

2. Introduction The lymphatic system forms a closed network of lymph vessels through which lymph circulates all over the body. The flow of lymphatic fluid is unidirectional, from tissue spaces to the blood. The lymphatic system is a crucial part of the body's immune system. It consists of lymph nodes, lymph vessels, the spleen, thymus, and tonsils. Its primary function is to transport lymph, a clear fluid containing white blood cells, throughout the body to help fight infections.

3. Composition of Lymphatic System The lymphatic system consists of: Lymph , a fluid. Lymphatic vessels that transport the lymph. Lymph nodes through which lymph passes before returning to the blood. A number of structures and organs containing lymphatic tissue, e.g. , spleen and thymus. Red bone marrow , where stem cells develop into various types of blood cells, including lymphocytes. Diffuse lymphoid tissue , e.g. , tonsils.

4. LYMPH NODES Small, bean-shaped structures that filter lymph fluid and trap bacteria, viruses, and other harmful substances. They contain immune cells (lymphocytes) that help fight infections.

5. Lymph Vessels A network of vessels that transport lymph fluid throughout the body. They work alongside blood vessels to return excess fluid from tissues to the bloodstream.

6. Lymphatic Organs These include the spleen , which filters blood; the thymus , where T-cells mature; and the tonsils , which help fight infections. These organs play key roles in immunity and fluid balance.

7. Lymph Lymph is a clear watery fluid. The composition of lymph is almost similar to the plasma and the interstitial fluid. Functions of Lymph Nutritive: Nutrition and oxy­gen is supplied to low blood areas. Drainage: Maintains constant volume and composition of tissue fluid by removing excess fluids and metabolites. Transmis­sion of Proteins: Lymph carries proteins to the blood through tissue spaces. Absorption of Fats: Intestinal fats are absorbed through the lymphatics

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