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63 Cards in this Set

  • Front
  • Back
active immunity
resistance to disease due to the immune systems response to a microogranism or a vaccine
antibodies
protein produced in repsonse to the presence of a foreign substance in the blood or tissues
antibody mediated immunity
resistance to disease causing agents resulting from the production of specific antibodies by B lymphocytes; humoral immunity
antigens
foreign substance, usually a protein, that stimulates the immune system to produce antibodies
antigen presenting cell
APC, the cell that displays the antigen to the cells of the immune system so they can defend against the bodies particular antigen
apoptosis
programmed cell death
appendix
small tubular appendage that extends outward from the cecum of the large intestine
autoimmune response
diseases that result result when the immune system mistakenly attack the bodies own tissues
B lymphocytes
lymphocyte that is responsible for antibody mediated immunity
cell mediated immunity
immunological defense provided by killer T cells which destroy virus infected cells, foreign cells, and cancer cells
complement system
group of proteins in plasma that aid general defense of the body by destroying bacteria, often called complement
cytokines
type of protein secreted by t lymphocytes that attack viruses, virally infected cells, and cancer cells
cytoxic T cells
t lymphocyte that attacks and kills antigen bearing cells
helper T cells
secretes lymphokines, which stimulate all kinds of immune cells
histamine
substance produced by basophilderived mast cells in connective tissue that causes capillaries to dialate, causes alelrgy symptoms
HLA antigens
protein in a plasma membrane that identifies the cell as belonging to a particular individual and acts as an antigen in other organisms
immunity
resistance to disease causing organisms
inflammatory reaction
tissue respsonse to injury that is characterized by dilation of blood vessels and accumulation of fluid in affected region
lacteal
lymph vessel in a villus of the wall of the small intestine
lymph
fluid having the same composition as tissue fluid, carried in lymph vessels
lymphatic organ
organ other then a lymphatic vessel that is part of the lymphatic system .
includes: lymph nodes, tonsils, spleen, thymus gland, and marrow
lymphatic system
vascular system that takes up excess tissue fluid and transports it to the bloodstream
lymphatic vessels
vessel that carries lymph
lymph node
mass of lymohatic tissue located along the course of a lymohatic vessel
lymphoma
cancer of the lymphatic tissue
macrophages
enlarged monocyte that ingests foreign material and cellular debris
mast cells
cell to which antibodies, formed in response to allergens, attach, bursting cell and releasing allergy mediators, which cause symptoms
memory B cells
cells derived from B lymphocytes that remain in the body for some time and account for active immunity
monoclonal antibodies
antibody of one type that is produced by cells derived from a lymphocyte that has fused with a cancer cell
natural killers cells
lymphocyte that causes an infected or cancerous cell to burst
passive immunity
protection against infection acquired by transfer of antibodies to a sucsceptible individual
perforin
protein released by cytonic T cells that attach to an antigen
peyer patches
lymphatic organs located in the small intestine
plasma cells
cell derived from a B lymphocyte that is specialized to mass produce antibodies
pus
thick yellow fluid composed of dead phagocytes, dead tissue, and bacteria
red bone marrow
blood cell forming tissue located in spaces within certain bones
spleen
large glandular organ located in the upper left region of the abdomin that stores and purifies blood
thymus gland
lobular gland that lies in teh neck and chest area and is necessary for the development of immunity
t lymphocytes
a killer t cell that interacts directly with antigen bearing cells and is responsible for cell mediated immunity, or a h helper t cell that stimulates other immune cells
tonsils
partly encapsulated lymph nodule loacted in the pharinx
Aids
acquired immunodeficiency sumdrome: disease caused by a retrovirus and transmitted via body fluids ; characterized by failure of the immune system
allergens
foreign substance capable of stimulating and allergic reaction
allergies
immune response to substance usually not recognized as foreign
anaphylactic shock
involves bronchiolar constriction, impaired breathing, vasodilation, and drop in blood pressure with a threat of circulatory failure
antibody titer
amount of antibody present in a sample of blood serum
asthma
condition in which bronchioles constrict and cause difficulty breathing
edema
sweilling due to tissue fluid accumulation in the intercellular spaces
elephantiasis
swollen arms, legs, or genitalia due to failure of the lymphatic system to remove excess fluid
hay fever
seasonal variety of specific allergen. characterized by sneezing, running nose, and asthma
hodgkin disease
cancer of the lymph gands that is normally loacalized in the neck region
immunization
strategy for achieving artificial immunity to the effects of specific disease causing agents
immunosupressive drugs
inactivating the immune system to prevent organ rejection
interferon
protein formed by a cell infected with a virus that can increase the resistance of other cells to the virus
interleukin
class of immune system chemicals having varied effects on the body
lymphadenitis
infection of the lymph nodes
lymphangitis
infection of the lymphatic vessels
multiple sclerosis
disease where outer myelin layer of nerve fiber insulation becomes scarred so nerve impulses cant be conducted normally
opportunistic infection
disease that arises in severely impaired immune system
pulmonary edema
fluid in lungs caused by congestive heart failure
severe combined immunodeficiency disease
antibody and cell immunity are inadequate
systemic lupus erythematosus
sybdrom involving connective tissue and various organs, including kidney failure
tonsillectomy
removing tonsils
vaccines
treated antigens that promote active immunity