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Immune System Flashcards

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6683686287white blood cellBlood cells that perform the function of destroying disease-causing microorganisms0
6683686288plateletA very small blood cell derived from the fragmented cytoplasm of blood cells in the bone marrow. Platelets participate in coagulation, wound healing, and inflammation1
6683686290antibodiesSpecialized proteins that aid in destroying infectious agents. Produced by B cells, that functions as the effector in an immune response.2
6683686291erythrocytesRed blood cells3
6683686292hemoglobinAn iron-containing protein in red blood cells that reversibly binds oxygen.4
6683686293anemiaBelow normal number of red blood cells or lack of sufficient hemoglobin, resulting in reduced oxygen carrying capacity of the blood; most often caused by insufficient iron, which is needed to produce hemoglobin.5
6683686294leukocytesWhite blood cells6
6683686295engulfto swallow up, overwhelm, consume7
6683686296bone marrowA soft tissue inside the bone that produces blood cells8
6683686299antigenA protein on a pathogen that, when introduced in the blood, triggers the production of an antibody9
6683686310vaccinationinjection of a weakened or mild form of a pathogen to produce immunity10
6683686311pathogenA disease causing agent11
6683686312inflammationAn irritation of a tissue caused by infection or injury. It is characterized by four cardinal symptoms; redness, swelling, heat, and pain.12
6683686313macrophageFound within the lymph nodes, they are phagocytes that destroy bacteria, cancer cells, and other foreign matter in the lymphatic stream. This is apart of the nonspecific response.13
6683686315immunityA condition of being able to resist a particular disease, especially through preventing development of a pathogenic microorganism or by counteracting the effects of its products.14
6683686316lymphatic systemSystem made of nodes, organs, and vessels through which lymph circulates15
6683686318Helper T cellCells created in the thymus that produce substances to signal B cells to produce antibodies.16
6683686319B cellProduce antibodies17
6683686321memory cellsGeneral term for lymphocytes that are responsible for immunological memory and protective immunity.18
6683686324spleenAn organ that is part of the lymphatic system; it produces lymphocytes, filters the blood, stores blood cells, and destroys old blood cells.19
6683686325antibioticsDrugs that block the growth and reproduction of bacteria20
6683686330allergya specific reaction of the immune system to a foreign and frequently harmless substance21
6683686331histamineA chemical released by the body during an inflammatory response that causes the blood vessels to dilate22
6683686332virus"An infectious particle composed of a protein capsule and a nucleic acid core, which is dependent on a host organism for replication"23
6683686333bacteriaA member of a large group of unicellular microorganisms lacking organelles and an organized nucleus, including some that can cause disease.24

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