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reflexes that do not act toward a common purpose and cannot together traverse the final common path.
Etymology: Gk, antagonisma + L, reflectere, to bend back
two or more reflexes initiated at the same time that produce opposite effects. An example is the opposition between the biceps and the triceps; the biceps flexes the arm while the triceps extends it.
Two or more reflexes initiated simultaneously in different receptors that involve the same motor center but produce opposite effects.
See also: reflex