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A&P - Wk 6

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
show lymph  
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show these areas' excess tissue fluid drains into the cerebrospinal fluid  
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show chyle  
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What are the major lymphatic trunks?   show
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show cisterna chyli  
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show lymphangitis - the pathway of the associated superficial lymphatics becomes visible thru the skin as red lines tender to the touch  
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show by pulsations of nearby arteries, thythmic contractions of thoracic ducts and movement of adjacent tissues  
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What is blockage of the lymphatics by tumors or removal of lymphatics during cancer surgery which prevents the normal return of lymphatics to the blood called?   show
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show 1) return excess tissue fluid to the bloodstream; 2) return leaked proteins to the blood; 3) carry absorbed fat from the intestine to the blood (thru lacteals)  
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Which cells produce plasma cells, that secrete antibodies into the blood an recognize antigens?   show
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What is lymphoid tissue mainly composed of except the thymus?   show
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What lives on the fibers of the reticular network?   show
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show lymphocytes that have squeezed thru the walls of postcapillary venules coursing thru the tissue  
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show T cells or B cells  
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Which cells manage the immune response by directly attacking and destroying infected cells?   show
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show B cells  
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Where do lymphocytes arise from?   show
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What plays a crucial role in body protection and in the immune response by phagocytizing foreign substances and by helping to activate T cells?   show
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show reticular cells  
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Where do the lymphocytes cycle between in the body?   show
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show diffuse lymphatic tissue  
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What cells predominate in germinal centers (the lighter staining center of a lymphoid follicle?   show
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When do germinal centers enlarge dramatically?   show
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show follicular dendritic cells and B cells  
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show Peyer's patches  
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show lymph nodes, which cluster along the lymphatic vessels of the body  
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As lymph is transported back to the bloodstream the lymph nodes do what to it?   show
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show inguinal, axillary and cervical regions  
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What are the primary functions of lymph nodes?   show
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show trabeculae  
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What 2 histologically distinct regions comprise a lymph node?   show
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show densely packed follicles, many with germinal centers heavy with dividing B cells  
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What cells nearly encapsulate the follicles and abut the deeper part of the cortex, which primarily houses T cells in transit?   show
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What role do the T cells perform by circulating continuously between the blood, lymph nodes and lymph?   show
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show medullary cords  
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show Thru a number of afferent lymphatic vessels  
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How does the lymph exit the node at its hilum (the indented region on the concave side?   show
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What are infected lymph nodes called?   show
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Buboes are the most obvious symptom of what?   show
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What do the spleen, thymus, tonsils, bits of lymphatic tissue scattered in the connective tissues and Peyer's patches of the intestine have in common?   show
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What is the only lymphatic organ not comprised of reticular connective tissue?   show
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show blood-cleansing; extracts aged and defective blood cells and platelets and removes debris  
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What 3 additional functions does the spleen perform?   show
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The spleen contains large numbers of what?   show
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Areas of the spleen composed mostly of lymphocytes suspended onreticular fibers are called what?   show
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The white pulp clusters or forms "cuffs" around the central arteries in the spleen and appears to be islands in a sea of what?   show
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show worn out red blood cells and bloodborne pathogens  
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show the immune functions of the spleen  
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What is removal of a reuptured spleen called?   show
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The thymus causes what cells to become immunocompetent, enabling them to function against specific pathogens in the immune response   show
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What structures in the thymus consist of concentric whorls of keratinized epithelial cells, and are sites of T cell destruction?   show
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show 1) it functions strictly in T lymphocyte maturation so does not directly fight antigens 2) the stroma of the thymus consists of epithelial cells not reticular fibers  
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show tonsils  
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Which tonsils are located on either side at the posterior end of the oral cavity and are the largest and the ones most often infected?   show
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What tonsil is in the posterior wall of the nasopharynx?   show
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show tubal tonsils  
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show lingual tonsils  
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What function does the tonsils perform?   show
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What are large isolated clusters of lymphoid follicles, structurally similar to the tonsils, and are located in teh wall of the distal portion of the small intestine?   show
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Which follicles are heavily concentrated in the wall of the appendix?   show
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show Peyer's patches, the appendix, and the tonsils  
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show in the digestive tract  
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show the never-ending onslaughts of foreign matter entering them  
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show 5th  
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show from the budding of lymph sacs from developing veins  
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How can pathogens and cancer cells spread thru the body?   show
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show lymphocytes (T cells or B cells); plasma cells; macrophages; dendritic cells; reticular cells  
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show lymph nodes  
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Each lymph node consists of what 3 things?   show
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Lymphocytes arise from what tissue?   show
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show right arm, right side of head, and right side of upper body  
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show the left side of head, left side of upper body and entire lower body  
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show lacteals  
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show chyle is a milky bodily fluid consisting of lymph and emulsified fats and the composition of lymph is clear, watery fluid that contains protein molecules, salts, glucose, urea,  
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show So as not to spread the infection via lymph transport  
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show skeletal muscle contraction, contractions of the lymphatic vessels  
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Where does the thoracic duct empty into?   show
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show the right subclavian vein  
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What comprises lymphatic tissues?   show
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What are inflamed pharyngeal tonsils, located in the nasopharynx called?   show
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show palatine tonsils  
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Which tonsils are found on the root of the tongue?   show
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