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Medical Term:


Pronunciation: si-ner'e-sis


  1. The contraction of a gel, a blood clot, by which part of the dispersion medium is squeezed out.
  2. Degeneration of the vitreous humor with loss of gel consistency to become partially or completely fluid.

[G. synairesis, a taking or drawing together]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.