Dictionary.com
definitions
  • synonyms
ferning in Medicine

ferning

(fûrnĭng)
n.
  1. The formation of a fernlike pattern in a specimen of crystallized cervical mucus secreted at midcycle.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.