CH 14 Key Terms

Term Definition
Bacteremia The presence of bacteria in the blood
Brucellosis An infectious zoonotic disease that occurs worldwide and is caused by various Brucella species
Ehrlichiosis Caused by several species of the genus Ehrlichia, a gram negative, obligatory intracellular bacterium. Early signs of the condition or nonspecific may resemble the symptoms of various other diseases
Endocarditis And inflammation of the endocardium
Endocardium Inner lining of the heart
Gametocytes A cell that develops into gametes by meiotic cell division
Gangrene A complication of necrosis;the decay and death of tissue, often related to wounds
Ischemia An insufficient supply of blood to a tissue or organ
Lyme disease A tick borne illness caused by Borrelia burgdorferi, a gram negative, motile spirochetes
Merozoites A daughter cell of a protozoan parasite
Microbemia A term used to describe infections caused by microorganisms that enter the circulatory system through the lymphatic drainage
Myocarditis Inflammation of the myocardium
Myocardium The middle layer of the heart, composed of cardiac muscle
Pericarditis Inflammation of the pericardium
Pericardium The double-walled sack filled with serous fluid that encloses the heart and the roots of the great vessels of the heart
Plague A life threatening disease caused by yersinia pestis
Rheumatic fever A complication / disorder that can follow an infection by Streptococcus pyogenes and affects numerous body systems
Rocky Mountain spotted fever Disease caused by the bacterium Rickettsia Rickettsii transmitted by tics
Sepsis The growth of microorganisms in blood and other tissues
Septicemia A systemic infection in which microorganisms multiply in the bloodstream
Septic shock Shock and dangerously low blood pressure caused by bacterial endotoxins
Sporozoites Malarial Trophozoite in the salivary glands of infected mosquitoes
Tularemia A zoonotic disease of mammals caused by Francisella Tularensis; most often associated with rabbits
Vector In microbiology, an organism that transmit pathogenic, off antivirus or plasmid, that transfers genetic material from one organism to another
Viral hemorrhagic fever A group of febrile illnesses that range in severity from relatively mild to life-threatening, and can result in severe multisystem problems

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