Dictionary:

afflux

  (ăf'lŭks')

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A flow to or toward an area, especially of blood or other fluid toward a body part: an afflux of blood to the head.

[Medieval Latin affluxus, from Latin, past participle of affluere, to flow to. See affluent.]

The rush of blood to a body part.

A flow to or toward an area, especially of blood or other fluid toward a body part.