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The Lymphatic System. Roles of the Lymphatic System. One-way drainage system . 2) Lipid Absorption from Small Intestine. 3) Produce & circulates Immune cells. Valves in lymphatic vessels prevent backflow of lymph. Right Lymphatic and Thoracic duct. Lymphoid Tissues:
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The Lymphatic System
Roles of the Lymphatic System • One-way drainage system 2) Lipid Absorption from Small Intestine 3) Produce & circulates Immune cells.
Lymphoid Tissues: Un-encapsulated lymphatic tissues • Tonsils • Pharyngeal • 2) Palantine • 3) Lingual Tonsil located in strategic locations
Lymphoid Organs: Surrounded by fibrous capsule (encapsulated) Lymph Nodes Thymus Spleen
The Thymus • Behind the sternum (in anterior mediastinum) • Where T cells Differentiate • Involution (gets smaller) post puberty
The Spleen • Largest mass of lymphoid tissue in body • Same functions for whole blood as lymph nodes for lymph