synizesis

synizesis definition - medical

syn·i·ze·sis (sĭnˌĭ-zēˈsĭs)

noun
  1. Closure or obliteration of the pupil of the eye.
  2. The phase of meiosis in some species in which the chromatin contracts into a mass at one side of the nucleus.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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