oscillation
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oscillation
[os″ĭ-la´shun]a backward and forward motion, like that of a pendulum; also vibration, fluctuation, or variation.
high frequency oscillation a type of high frequency ventilation characterized by the use of active expiration.
os·cil·la·tion
(os'i-lā'shŭn),1. A to-and-fro movement.
2. A stage in the vascular changes in inflammation in which the accumulation of leukocytes in the small vessels arrests the passage of blood and there is simply a to-and-fro movement at each cardiac contraction.
[L. oscillatio, fr. oscillo, to swing]
oscillation
A rhythmic periodic motion.os·cil·la·tion
(os'il-ā'shŭn)1. A to-and-fro movement.
2. A stage in inflammation in which the accumulation of leukocytes in small vessels arrests the passage of blood and there is simply a to-and-fro movement at each cardiac contraction.
[L. oscillatio, fr. oscillo, to swing]