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Stack #111025

lymphatic and immune systems

Lymphatic & Immune Systemschapter 6
blast/o immature, embryonic
carcin/o cancerous
cervic/o neck, cervix
-cide causing death
-genesis creation, reproduction
-immun/o immune, protection, safe
-lytic to reduce, destroy
neo- new, strange
-oma tumor,neoplasm
onc/o tumor
phag/o eat, swallow
-plasm formative material of cells
sarc/o flesh, connective tissue
splen/o spleen
-tic pertaining to
allergist specializes in diagnosing and treating altered immunologic reactions
hematologist speecializes in diagnosing and treating diseases and disorders of blood and blood forming tissues
immunologist specialist in study diagnosis and treatment of disorders of immune system
oncologist specialist in diagnosing and treating malignant disorders such as tumors and cancer
functions of lymphatic system return cellular waste to circulatory system, absorb fats and transport them to cells, important part of immune system
atructures of lymphatic system lymph fluid, lymph vessels, lymph nodes, tonsils, spleen, thymus, and lymphocytes
intercellular fluid interstitial fluid/tissue fluid, plasma that flows out of capillaries into spaces between cells, carries food o2, and hormones to cells
Lymph fluid returns intercellular fluid containing waaste from cells to venous circulatory system
Lymph capillaries thin walled tubes with valves that carry lymph fluid from tissues to larger lymphatic vessels
lacteals specialized lymph capillaries in the villi of small intestine that absorbe and carry fats and vitamins into bloodstream
lymph nodes small bean shaped structures located in lymph vessels that provide site for lymphocyte production and filter lymph to remove harmful substances
tonsils masses of lymphatic tissue that form a protective ring around nose and upper throat
vermiform appendix and peyer's patches appendix is lymphatic tissue that hangs from lower portion of cecum of large intestine, patches are small areas of lymphatic tissue located on walls of large intestine
spleen saclike mass of lymphatic tissue in left upper quadrant, filters blood, forms lymphocytes and monocytes, and destroys worn out blood cells (hemolytic)
thymus composed largely of lymphatic tissue, plays inportant roles in endocrine and immune systems
antigen Ag, any substance sucha s virus, bacterium, or toxin that the body regards as foreign
antibody Ab, disease fighting protein created by immune system in response to specific antigen
immune reaction antigen-antibody reaction, binding foreign antigens to antibodies to form AgAb complexes
lymphocytes WBC that specialize so they can attack specific microorganisms, 2 major classes are Bcells and Tcells
B cell makes only one specific antibldy, activated on contact and puncture the cell membrane in AgAb response
immunoglobulin M first produced when body is challenged by Ag and found in circulating fluids
Immunoglobulin G second produced, most common type found in plasma
immunoglobulin A major antibody protects against invasion throught mucous membranes, found primarily in tissue
immunoglobulin E provides defense against environmental Ag
immunoglobulin D found in small amounts in serum and plays a role in Bcell differentiation
T cell small circulating lymphocytes that have traveled to thymus, primary function is to coordinate immune defenses and kill invading organisms
interferon produced by Tcells, family of proteins released by cells when invaded by virus
lymphokines produced by Tcells, direct immune response by signaling between cells of immune system
macrophage type of phagocyte, protexts body by eating invading cells
phagocyte wbch ability to eat and destroy substances such as cell debris, dust, pollen and pathogens, process known as phagocytosis
immunity state of being resistant or not susceptible to specific disease, natural-passed from mother to baby, aquired-obtained by development of antibodies during an attack, artificial-acquired through vaccination
allergy hypersensitivity, over reaction by body to particular Ag
cellular response localized or delayed allergic response, body doesn't react the first time but sensitivity is established and future contacts cause symptoms
systemic reaction anaphylaxis, severe reponse to foreign substance
antihistamines medications administered to block and control allergic reactions
autoimmune disorder immune system misreads normal Ag and creates Ab and directs Tcells against body's own tissues
immunodeficiency disorder condition that occurs when one or more parts of immune system are deficient, missing, weakened or compromised
autoimmune disorder and affected body system - crohn's disease intestines, ileum or colon (chpt 8)
autoimmune disorder and affected body system - diabetes mellitus, type 1 insulin producing pancreatic cells (chpt 13)
autoimmune disorders and affected body system - graves' disease thyroid gland (chpt 13)
autoimmune disorders and affected body system - hashimoto's thyroiditis thyroid gland (chpt 13)
autoimmune disorder and affected body system - lupus erythematosus skin and other body systems (chpt 12)
autoimmune disorders and affected body systems - myasthenia gravis nerve/muscle symapses (chpt 4)
autoimmune disorders and affected body system - multiple sclerosis brain and spinal cord ( chpt 10)
autoimmune disorder and affected body system - psoriasis skin (chpt 12)
autoimmune disorder and affected body system - rheumatioid arthritis connective tissues (chpt 3)
autoimmune disorder and affected body system - scleroderma skim and other tissues (chpt 12)
immunosuppression tratment used to interfere with ability of immune system to respond to stimulation by Ag
antineoplastic blocks growth of meoplasms and is used to treat cancer
pathogen microorganism that causes a disease
bacteria group of 1 celled microscopic organisms, types include bacilli, rickettsia, spirochestes, staphylococci, and streptococci
fungus simple parasitic plant
yeast type of fungus
parasite plant or animal that lives on or within another living organism at the expense of that organism
viruses very small infectious agents that live only by invading cells
antibiotic chemical substance that is capable of inhibiting growth or killing pathogenic microorganisms
bactericide substance that causes the death of bacteria
bacteriostatic agent that inhibits, slows, or retards growth of bacteria
antiviral drug used to treat viral infections or provide temporary immunity, not effective aginst viruses
oncology study of the prevention, causes and treatment of tumors and cancer
tumor neoplasm, new and abnormal tissue formation
angiogenesis tumor supports its growth by creating own blood supply
benign no spreading, nonmalignant and with favorable chance for recovery
malignant harmful, tending to spread, becoming progressively worse, and life threatening
carcinoma in situ CIT, malignant tumor in original position that has not yest invaded surrounding tissues
invasive malignancy grows and spreads into healthy adjacent tissue
metastasize process which cancer spreads from one place to another, metastasis new cancer site that results from spreading process
staging process of classifying tumors with respect to how far progressed, potential response to therapy and patients prognosis
carcinoma CA, malignant tumor that occurs in epithelial tissue
sarcoma malignant tumor that arises from connective tissue
lymphomas general term applied to malignancies that develop in lymphatic system
blastoma neoplasm composed chiefly or entirely of immature undifferentiated cells
chemotherapy use of chemical agents and drugs to destroy malignant cells and tissues
radiation therapy use of x-rays to destroy cancer while sparing healthy tissues
brachytherapy use of radioactive materials in contact with or implanted into tissues being reated
teletherapy radiation therapy administered at a distance from body, aim doses more precisely
Created by: worker