Term
| List and describe the functions of the two parts of the lymphatic system. |
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Definition
1.Lymphatic System-returns fluid that have leaked from the blood vascualar system back to the blood.
2.Lymphoid organs/tissues-provide the structural basis of the immune system.Filled with leukocytes for protection of the body. |
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Term
| What is Lymph and where does it flow to? |
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Definition
| Fluid inside a lymphatic vessel that flows only toward the heart. |
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Term
| Where does lymph re-enter the blood circulation? |
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Definition
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Term
| Describe the lymph capallaries and absorption of lymph. |
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Definition
-Everywhere there are blood capillaries
-Small,thin
-1 tunic squamous epithelium
-cells overlap and form mini-valves. |
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Term
| List the two main lymphatic ducts and what parts of the body they drain. |
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Definition
1.Right Lymphatic Duct(RLD)-receives lymph from right upper limb, right thorax, right side of face.
2.Thoracic Duct(TD)-Receives lymph from L. upper limb, L.thorax,L.side of face,abdomen, lower limbs. |
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Term
| List and know body location of the major lymph organs. |
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Definition
1.Tonsils-Pharynx
2.Thymus-thorax;above heart
3.Spleen-abdomen;left side
4.Peyer's Patches-small intestines |
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Term
| Know the structures of a lymph node |
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Definition
1.Fibrous capsule-divided by trabeculae into sections
2.Cortex-outer part of organ that has follicles with germinal centers and produce B-cells and plasma cells.
3.Medulla-inner part containing lymphocytes and macrophages. |
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Term
| Know locations of lymph nodes in the body. |
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Definition
| inguinal,axillary,and cervical regions. |
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Term
| List and describe the functions of the spleen. |
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Definition
1.lymphocytes surveillance point
2.Removes debris, dead cells,dying cells,microorganisms.
3.Store all products of RBC's
4.Store platelets
5.Produce red blood cells as a fetus. |
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Term
| List and know location of the different set of tonsils. |
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Definition
1.Palatine-near palatine bones
2.Lingual-base of tongue
3.Pharyngeal-in nasopharynx
4.Tubal-near auditory tube |
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Term
| What is MALT? PEYER'S PATCHES? CISTERNA CHYLI? |
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Definition
MALT-P.P. and Lymph nodes in thorax
P.P-lymph nodes in small intestines
CISTERNA CHYLI-enlarged beginning of thoracic duct. |
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