Term
| 9 types of cells that arise from the bone marrow |
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Definition
| Red RBCs, White RBCs, Platelets, Fibroblasts, Macrophages, Osteoblasts, Osteoclasts, Endothelial cells and Adipocytes |
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Term
| Where is the thymus located? |
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Definition
| Upper anterior chest behind the sternum |
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Term
| What is the function of the thymus? |
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Definition
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Term
| What are the functions of the red pulp of the spleen? |
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Definition
Filters blood, removes old RBCs, Ab-coated bacteria; Holds reserve store of blood; Holds reserve of macrophages/dendritic cells
Extramedullary hematopoiesis if bone marrow fails |
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Term
| What are the functions of the white pulp of the spleen? |
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Definition
| Contains lymphoid follicles made of B cells that make Ab; Periarteriolar lymphoid sheaths (PALS) make T cells |
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Term
| What is the function of the marginal zone of the spleen? |
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Definition
| traps and presents antigens to splenic lymphocytes |
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Term
| Where are the highest concentrations of lymph nodes? |
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Definition
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Term
| What do lymph nodes contain? |
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Definition
| T and B cells and Macrophages |
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Term
| What is the direction of lymph flow in the lymph nodes? |
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Definition
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Term
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Definition
| Mucosal-Associated Lymphoid Tissues (tonsils) |
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Term
| Where are the tonsils located? |
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Definition
| small masses of lymphoid tissues around the pharynx. |
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Term
| What is the function of the tonsils? |
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Definition
| Trap and remove foreign materials |
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Term
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Definition
| Peyer's Patch and Appendix |
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Term
| Where is the appendix located? |
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Definition
| it is a pouch of the Cecum (colon) |
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Term
| What is the function of the appendix? |
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Definition
| Vestigial cellulose-digestor; harbor for commensal intestinal flora |
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Term
| What is the location and function of Peyer's Patches? |
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Definition
| Small accumulations of lymphoid tissue in wall of the intestines that survey for ingested pathogens |
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Term
| Bronchial-associated lymphoid tissue (BALT) location and function |
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Definition
| Small accumulations of lymphoid tissue around small bronchioles in the lung, that survey for inhaled pathogens |
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Term
| What are the 3 types of tonsils? |
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Definition
Palatine (back of throat)
Pharyngeal (adenoids)
Lingual (base of tongue) |
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