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Medical Dictionary: q

qrs complexA segment of an EKG tracing representing ventricular depolarization.Cardiovascular
quackeryThe fraudulent misrepresentation of the diagnosis and treatment of disease. General
quadriceps muscleThe quadriceps femoris. A collective name of the four-headed skeletal muscle of the thigh.Muscular
quadriplegiaParalysis that results in the partial or total loss of use of all four limbs and torso.muscular
quantum theoryThe theoretical basis of modern physics that explains the nature and behavior of matter and energy on the atomic and subatomic level. General
quarantineThe isolation of individuals who have been exposed to an infectious disease in order to prevent its spread.General
quasivirtual, resemblingGeneral
quickeningMovements of the fetus felt by the mother, usually after the first 16 weeks of pregnancy.Reproductive
quinineAn drug derived from the bark of the cinchona tree, used as an antimalarial drug.General

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