Definition of "decussating" []

• Present participle of decussate. (verb)

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• "The prevalent idea that a lesion of one hemisphere produces a paralysis upon the opposite side of the body alone is no longer tenable, for each hemisphere is connected with both sides of the body by motor tracts, the larger of the motor tracts decussating and the smaller not decussating in the medulla."
• "In one flower of this nature the segments of the perianth were arranged in decussating pairs, and the four stamens were united by their filaments so as to form two pairs."
• "The superficial part, consisting principally of the decussating fibers, brings the lips together and also protrudes them forward."