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.
Help!
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| show | lymph
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| Why are lymphatic capillaries absent from bones, teeth, bone marrow and the entire central nervous system? | show 🗑
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| show | chyle
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| show | lumbar, bronchomediastinal, subclavian and jugular trunks and intestinal trunk
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| What collects lymph from the 2 large lumbar trunks that drain the lower limbs and from intestinal trunk that drains the digestive organs? | show 🗑
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| What happens when lymphatic vessels are severely inflamed causing the related vessels of the vasa vasorum to become congested with blood? | show 🗑
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| show | by pulsations of nearby arteries, thythmic contractions of thoracic ducts and movement of adjacent tissues
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| show | lymphedema
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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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| show | macrophages
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| What lives in the spaces of the network in huge numbers? | show 🗑
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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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| Which cells protect the body by producing plasma cells that secrete antibodies into the blood (or other bodily fluids)? | show 🗑
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| show | red bone marrow
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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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| What cells fibroblast-like cells produce the reticular fiber stroma? | show 🗑
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| show | circulatory vessels, lymphoid tissues, and loose connective tissues
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| What tissue consists of a few scattered reticular tissue elements and is found in virtually every body organ? | show 🗑
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| show | follicular dendritic cells and B cells
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| show | When B cells are dividing rapidly and producing plasma cells
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| show | follicular dendritic cells and B cells
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| show | Peyer's patches
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| What are the principal lymphoid organs in the body and where are they found? | show 🗑
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| show | filter it
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| show | inguinal, axillary and cervical regions
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| show | filtration of lymph; initiation of an immune response when necessary; production of new lymphocytes
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| Each lymph node is surrounded by a dense fibrous capsule from which connective tissue strands called what extend inward to divide the node into a number of compartments? | show 🗑
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| show | cortex and the medulla
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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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| show | surveillance role
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| What are thin inward extension from the cortical lymphoid tissue, and contain both types of lymphocytes plus plasma cells and define the medulla? | show 🗑
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| show | Thru a number of afferent lymphatic vessels
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| show | via efferent lymphatic vessels
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| show | buboes
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| show | bubonic plague
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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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| show | thymus
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| What is an important function of the spleen? | show 🗑
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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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| What is red pulp most concerned with disposing of? | show 🗑
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| show | the immune functions of the spleen
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| show | splenectomy
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| show | T lymphocytes
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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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| show | palatine tonsils
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| show | pharyngeal tonsil
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| What tonsils surround the openings of the auditory tubes into the pharynx? | show 🗑
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| show | lingual tonsils
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| show | gather and remove many of the pathogens entering the pharynx in food or inhaled air
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| show | Peyer's patches
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| show | lymphoid follicles
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| What are part of the collection of small lymphoid tissues referred to as mucosa-associated lymphatic tissue (MALT)? | show 🗑
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| Where are the MALT tissues located? | show 🗑
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| What does MALT protect passages from? | show 🗑
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| By what week of embryonic development, does the beginnings of the lymphatic vessels and the main clusters of lymph node become apparent? | show 🗑
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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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| What are the principal lymphoid organs? | show 🗑
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| show | fibrous capsule; cortex and a medulla
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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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| How does chyle differ from lymph? | show 🗑
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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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| show | the left subclavian vein
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| show | the right subclavian vein
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| What comprises lymphatic tissues? | show 🗑
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| show | adenoids
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| What are the most common tonsils located at the posterolateral aspect of the oral cavity called? | show 🗑
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| Which tonsils are found on the root of the tongue? | show 🗑
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Created by:
svking01
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