Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Defective development resulting in the absence of all or part of an organ or tissue.

from The Century Dictionary.

  • noun Defective or arrested development in a tissue or an organ.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Med.) Incomplete or faulty development.
  • noun (Med.) a defect, retardation, or cessation of the process of generation of blood cells.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun pathology A condition marked by the incomplete development, or absence, of an organ or tissue.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun failure of some tissue or organ to develop

Etymologies

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