Term
| Lymphatic capillaries are ____-____ tubes in which adjacent endothelial cells overlap each other, forming flaplike minivalves. |
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Definition
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Term
| Lymphatic capillaries are blind-ended tubes in which adjacent _______ cells overlap each other, forming flaplike minivalves. |
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Definition
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Term
| Lymphatic capillaries are blind-ended tubes in which adjacent endothelial cells overlap each other, forming _______ minivalves. |
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Definition
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Term
Differ from blood capillaries in 4 ways.
1. Start as ______ rather than tubes. |
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Definition
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Term
Differ from blood capillaries in 4 ways.
2. Have ______ diameters |
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Definition
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Term
Differ from blood capillaries in 4 ways.
3.Have ______ walls. |
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Definition
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Term
Differ from blood capillaries in 4 ways.
4. ________ or irregular in section |
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Definition
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Term
| Lymph- A fluid similar to plasma but does not have _________. |
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Definition
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Term
| Besides not having plasma proteins, what else makes lymph different from plasma? |
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Definition
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Term
Structure of a Lymph Node
Cortex contains follicles with germinal centers, heavy with dividing ______. |
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Definition
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Term
Structure of a Lymph Node
Deep Cortex houses _____ in transit. |
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Definition
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Term
Structure of a Lymph Node
_____ circulate continuously among the blood, lymph nodes, and lymphatic stream. |
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Definition
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Term
Structure of a Lymph Node
_______ extend inward from the cortex and contain B cells, T cells, and plasma cells. |
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Definition
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Term
Structure of a Lymph Node
Lymph sinuses contain _______. |
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Definition
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Term
Funtions of Lymph Nodes
1. _____ _____ - macrophages destroy microorganisms and debris. |
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Definition
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Term
Funtions of Lymph Nodes
2. _______ _______- lymphocytes are activated and mount and attack against antigens. |
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Definition
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Term
| What is the largest lympoid organ? |
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Definition
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Term
Spleen funtions
Site of lymphocyte proliferation and immune ______ and response |
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Definition
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Term
Spleen funtions
Cleanses the ______ of aged cells and platelets and debris. |
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Definition
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Term
Spleen funtions
Stores breakdown products of RBC for later reuse. An example is ______. |
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Definition
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Term
Spleen funtions
Besides iron what else does the spleen store? |
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Definition
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Term
Spleen functions
Site of fetal erythrocyte _______. |
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Definition
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Term
| What contains lymphocytes, macrophages and huge numbers of erythrocytes? |
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Definition
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Term
Structure of the Spleen
What are two distinct areas? |
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Definition
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Term
Structure of the Spleen
White pulp is found around ____ _____. |
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Definition
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Term
Structure of the Spleen
Red pulp is found in..... |
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Definition
| Venous sinuses and splenic cords |
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Term
Structure of the Spleen
White pulp is mostly _____ on reticular fibers and involved in immune functions. |
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Definition
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Term
Structure of the Spleen
Red pulp is Rich in ________ for disposal of worn-out RBC and bloodborne pathogens. |
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Definition
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Term
| The thymus functions strictly in _______ maturation. |
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Definition
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Term
| What does not directly fight antigens? |
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Definition
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Term
| T cells provide __________. |
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Definition
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Term
| T cells defend against abnormal cells and pathogens ________. |
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Definition
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Term
| B Cells provide ____________. |
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Definition
| antibody-mediated immunity |
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Term
| B cells defend against antigens and pathogens in ______. |
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Definition
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Term
Which of the following is not a function of the lymphatic system?
a.maintaining BP
b.absorbing dietary fats
c.activating the immune system
d.transporting excess interstitial fluid back to the heart |
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Definition
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Term
| Lymphnodes filter _____ and spleen filters ____. |
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Definition
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Term
| The vessels into which fats are absorbed are called.... |
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Definition
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Term
| The cortex of the lymph node contains spherical clusters called ______, which contain primarily ______. |
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Definition
| lymphatic nodules;b lymphocytes |
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