The Lymphatic System
Roles of the Lymphatic System 1)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: Un-encapsulated lymphatic tissues Tonsils 1)Pharyngeal 2) Palantine 3) Lingual Tonsil located in strategic locations
Lymphoid Tissues
Lymphoid Organs: Surrounded by fibrous capsule (encapsulated) Lymph Nodes Thymus Spleen
Lymph Node
Structure of a Lymph Node
Derivation and Distribution of Lymphocytes
Lymph Node Histology
Lymph Node Histology2
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
The Spleen - histology