Definition: Any state of variable density or condensation, usually in different chromosomes or between different regions of the same chromosome; a region may be attenuated (negative h) or accentuated (positive h).
[hetero- + G. pyknos, dense]
© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.