PN105 Lymphatic System CCC
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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| fluid in tissue spaces that carries protein moleculs back to blood | lymph
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| lymph is formed by ____ leaving capillaries | plasma
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| types of lymphatic vessels | lyhmphatic capillaries, R lymph duct, thoracic duct
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| permit only 1-way movement of lymph | lymphatic vessels
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| permit excess tissue fluid and other substances to leave tissue spaces | lymphatic capillaries
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| drains lymph on R side of head/neck/torso | R lymphatic duct
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| largest lymphatic vessel, drains lymph from 3/4 of body | thoracic duct
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| enlarged pouch along path of thoracic duct | cisterna chyli
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| function of lymph nodes | filter lymph for body defense and WBC formation
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| carries lymph to node | afferent vessels
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| carries lymph away from node | efferent vessels
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| produces T cells and plays central role in immunity, in mediastinum | thymus
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| 3 masses of tissue at back of mouth/throat | palatine tonsils, pharyngeal tonsils, lingual tonsils
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| largest lymph organ, acts as blood resevious and phagocytosis of bacteria and old RBC | spleen
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| immune system | protects body from pathological bacteria, foreign tissue cells, and cancer cells
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| innate and adaptive | specialized cells of immune system
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| innate immunity (non-specific immunity) | no prior exposure to antigen: skin, tears, mucous, inflammation
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| specific immunity (adaptive immunity) | recognizes, remembers, and responds to harmful substances
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| active natural specific immunity | exposure is not deliberate, like chicken pox
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| passive natural specific immunity | exposure is not deliberate, passed through fetus
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| active artificial specific immunity | exposure is deliberate, like flue shot
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| passive artificial specific immunity | exposure is deliberate, antibodies from infected person made into serum to give to uninfected person (maybe like Hep C virus?)
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| protein compounds with specific combining sites, produced by antigens | antibodies
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| group of proteins in blood that kill harmful cells, attract immune cells, and increase permeability of blood vessels | complement proteins
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| injest harmful cells | phagocytes
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| types of phagocytes | neutrophils, monocytes, macrophages
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| types of macrophages | kupffer cells (liver), dust cells (lungs)
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| lymphocytes | compose lymph nodes, thymus, liver
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| most numerous of immune system cells | lymphocytes
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| types of lymphocytes | B cells and T cells
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| secrete antibodies, produce humoral immunity, and give long-term immunity | B cells
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| produce cell-mediated immunity, release substances to poison harmful cells and attract microphages | T cells
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