niche

niche definition - medical

niche (nĭch, nēsh)

noun
  1. An eroded or ulcerated area detected by contrast radiography.
  2. The function or position of an organism or population within an ecological community.
  3. The particular area within a habitat occupied by an organism.

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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