heterochrony
noun
het·er·och·ro·ny
-ˈräk-rə-nē 
plural heterochronies
1
: deviation from the typical embryological sequence of formation of organs and parts as a factor in evolution
2
: irregularity in time relationships
specifically
: the existence of differences in chronaxies among functionally related tissue elements
Cite this Entry
“Heterochrony.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/heterochrony. Accessed 26 Jul. 2025.
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