hypoplasia
hy·pop·la·sia
noun
1.
underdevelopment of an organ because of a decrease in the number of cells
Origin
From hypo- + -plasia.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.