Term
| What are the functions of the lymphatic system? |
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Definition
To return protein-containg fluid from the tissue to the blood.
Transport chylomicrons from the intestines into the blood and the immune system.
Production of lymphocytes, phagocytosis of bacteria, and secretion of antibodiess.
Transports lipoproteins from small intestine to the blood. |
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Term
| How is lymph different from blood plasma? |
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Definition
| Lymph has much less protein and many more WBCs especially lymphocytes. |
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Term
| Lymphatic vessels originate as what? |
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Definition
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Term
| After lymph seeps into the tubes, the tubes start to converge into larger vessels known as what? |
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Definition
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Term
| All of the lymph in the body will eventually empty into what two pathways? |
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Definition
1. the thoracic duct
2. right lymphatic duct |
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Term
| What is the Cisterna chyli? |
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Definition
| The enlarged proximal end of the thoracic duct |
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Term
| The thoracic duct receives lymph from where? |
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Definition
| upper left side of the body and everything below the diaphragm |
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Term
| From the thoracic duct where does it empty the lymph? |
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Definition
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Term
| The right lymphatic duct receive lymph from where? |
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Definition
| the right side of the upper body |
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Term
| From the right lymphatic vein where does it empty the lymph? |
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Definition
| the right subclavian vein |
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Term
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Definition
| Oval or bean shaped, indented on one side with an outer fibrous capsule |
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Term
| What forms the lymph sinuses? |
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Definition
| the connective tissue of the fibrous capsule (of the lymph node) extending into the node |
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Term
| Lymph sinuses contain what kinds of cells? |
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Definition
| large number of macrophages, large number of lymphocytes, B cells and helper T cells |
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Term
| __ cells help ___ cells secrete antibodies. |
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Definition
| helper T cells, help B cells secrete antibodies |
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Term
| What regions of the body are there high concentrations of lymph nodes? |
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Definition
| Cervical, Axillary, and inguinal regions. |
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Term
| Lymph nodes may swell as a result of what? |
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Definition
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Term
| What causes lymph to flow? |
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Definition
| the muscular pump and respiratory pump |
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Term
| How many liters of lymph circulate per day? |
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Definition
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Term
| To fight an infection you want to slow down lymph flow, how do you do this? |
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Definition
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Term
| Where is the spleen found? |
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Definition
| just under the diaphragm on the left side |
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Term
| The spleen is similar to what? |
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Definition
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Term
| The spleen does for _____ what lymph nodes do to lymph. |
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Definition
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Term
| The phagocytizes old ____. |
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Definition
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Term
| Can you survive without a spleen? |
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Definition
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Term
| Without a spleen what happens? |
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Definition
| You will have a higher incidence of infection from encapsulated bacteria for example pneumonia |
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Term
| The spleen can act as an emergency ____ ____. |
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Definition
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Term
| Describe the thymus gland |
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Definition
| bilobed organ in the mediastinum, often on the top of the heart, largest in childhood and adolescence then degenerates. |
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Term
| What happens to the thymus by the time a person is in his/her 30s? |
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Definition
| the thymus is really hard to find |
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Term
| What is the role of the thymus? |
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Definition
| to produce T cells (a type of lmphocyte) |
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