heterochrony

noun

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

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Cite this Entry

“Heterochrony.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/heterochrony. Accessed 10 Mar. 2025.

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