Exam 2 Definitions Flashcards
The spread of cancer cells from one part of the body to another
Metastasize
A tumor capable of spreading and thus is cancerous
Malignant
A mass of tissue that serves no physiological purpose
Tumor
Inherited or caused by environmental agents; can increase risks for cancer
Mutation
A period during the course of cancer in which there are no symptoms of other evidence of disease
Remission
Neutrophils, eosinophils, macrophages, natural killer cells, and dendritic cells
Initiators
A marker on the surface of a foreign substance that immune system cells recognize as non-self; triggers the immune response
Antigen
A specilized protein, produced by WBC, that can recognize and neutralize specific microbes
Antibody
A type of lymphocyte with specific immune system functions; arise in bone marrow and mature in thymus
T-cells
A type of lymphocyte with specific immune system functions; mature in bone marrow and produce antibodies
B-cells
A substance that triggers an allergic reaction
Allergens
A severe systemic hypersensitive reaction to an allergen characterized by difficulty breathing, low BP, heart arrhythmia, seizure, and sometimes death
Anaphylaxis
Leading cause of gastroenteritis
Rotavirus
A rapidly spreading disease or health-related condition
Epidemic
A widespread epidemic
Pandemic