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Lymphatic System Exam 3 Review
A&P
11
Anatomy
Undergraduate 2
03/03/2013

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Term
List and describe the functions of the two parts of the lymphatic system.
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.
Term
What is Lymph and where does it flow to?
Definition
Fluid inside a lymphatic vessel that flows only toward the heart.
Term
Where does lymph re-enter the blood circulation?
Definition
Lymphatic capillaries.
Term
Describe the lymph capallaries and absorption of lymph.
Definition
-Everywhere there are blood capillaries
-Small,thin
-1 tunic squamous epithelium
-cells overlap and form mini-valves.
Term
List the two main lymphatic ducts and what parts of the body they drain.
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.
Term
List and know body location of the major lymph organs.
Definition
1.Tonsils-Pharynx
2.Thymus-thorax;above heart
3.Spleen-abdomen;left side
4.Peyer's Patches-small intestines
Term
Know the structures of a lymph node
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.
Term
Know locations of lymph nodes in the body.
Definition
inguinal,axillary,and cervical regions.
Term
List and describe the functions of the spleen.
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.
Term
List and know location of the different set of tonsils.
Definition
1.Palatine-near palatine bones
2.Lingual-base of tongue
3.Pharyngeal-in nasopharynx
4.Tubal-near auditory tube
Term
What is MALT? PEYER'S PATCHES? CISTERNA CHYLI?
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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