aplasia definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Defective development resulting in the absence of all or part of an organ or tissue.
aplasia - Medical Definition
- Congenital absence of an organ or tissue.
- Incomplete, retarded, or defective development of an organ or tissue.
- Cessation of the usual regenerative process in an organ or tissue.