transitional zone

transitional zone definition - medical

transitional zone

noun
  1. The region of the lens of the eye where cells from the anterior epithelial capsule become transformed into the fibers that compose the lens substance.
  2. The portion of a scleral contact lens that joins the corneal and scleral sections.

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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