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0929Histology-- Lymphatic System (content (Lymphatic vessel (Lymphatic…
0929Histology-- Lymphatic System
content
Cells
Lymphatic organ
Primary
Thymus
Six types of epithelioreticular cells
T-cell “education”
Blood-Thymus Barrier
Hassall’s corpuscles
Bone Marrow
Lymphatic nodules of the distal intestinal tract /Peyer's Patch/GALT(ileum and appendix))
antigen-independent,antigenic challenges
Secondary (effector) organ/tissue
Lymph Nodes
Reticular (Reticulin) Fibers
Blood Circulation
High Endothelial Venules
Lymphocyte homing
mammary glands, axillae & groin
Spleen
Functions
Hematopoietic
Structure
Red pulp
White pulp
Blood vessels
Circulation
MALT
antigen-dependent
Lymphoid tissue
Mucous membranes(MALT)
Secondary follicles/nodules
Germinal center
Lymphoid organs
Peyer’s patches
Appendix
Tonsils form ring at top of throat
diffuse and nodular
Lymphatic vessel
Lymphatic Capillaries
in avascular tissue
lacteals
anchoring filaments
Circulation
Characteristics
Lymphatic collecting vessels
Lymphatic nodes
Lymphatic trunks
Lymphatic ducts
Lymphatic subclavian vein
Functions
nutrient transportation
immune response
body fluid balance