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Lymphatic System CCC

PN105 Lymphatic System CCC

QuestionAnswer
fluid in tissue spaces that carries protein moleculs back to blood lymph
lymph is formed by ____ leaving capillaries plasma
types of lymphatic vessels lyhmphatic capillaries, R lymph duct, thoracic duct
permit only 1-way movement of lymph lymphatic vessels
permit excess tissue fluid and other substances to leave tissue spaces lymphatic capillaries
drains lymph on R side of head/neck/torso R lymphatic duct
largest lymphatic vessel, drains lymph from 3/4 of body thoracic duct
enlarged pouch along path of thoracic duct cisterna chyli
function of lymph nodes filter lymph for body defense and WBC formation
carries lymph to node afferent vessels
carries lymph away from node efferent vessels
produces T cells and plays central role in immunity, in mediastinum thymus
3 masses of tissue at back of mouth/throat palatine tonsils, pharyngeal tonsils, lingual tonsils
largest lymph organ, acts as blood resevious and phagocytosis of bacteria and old RBC spleen
immune system protects body from pathological bacteria, foreign tissue cells, and cancer cells
innate and adaptive specialized cells of immune system
innate immunity (non-specific immunity) no prior exposure to antigen: skin, tears, mucous, inflammation
specific immunity (adaptive immunity) recognizes, remembers, and responds to harmful substances
active natural specific immunity exposure is not deliberate, like chicken pox
passive natural specific immunity exposure is not deliberate, passed through fetus
active artificial specific immunity exposure is deliberate, like flue shot
passive artificial specific immunity exposure is deliberate, antibodies from infected person made into serum to give to uninfected person (maybe like Hep C virus?)
protein compounds with specific combining sites, produced by antigens antibodies
group of proteins in blood that kill harmful cells, attract immune cells, and increase permeability of blood vessels complement proteins
injest harmful cells phagocytes
types of phagocytes neutrophils, monocytes, macrophages
types of macrophages kupffer cells (liver), dust cells (lungs)
lymphocytes compose lymph nodes, thymus, liver
most numerous of immune system cells lymphocytes
types of lymphocytes B cells and T cells
secrete antibodies, produce humoral immunity, and give long-term immunity B cells
produce cell-mediated immunity, release substances to poison harmful cells and attract microphages T cells
Created by: cmp12345