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hypertrophy

hypertrophy Hypertrophy is an excessive enlargement of an organ caused by growth of its tissue elements.

Hypertrophy is an excessive enlargement of an organ caused by growth of its tissue elements. In historical usage, it may also be used more broadly for abnormal overgrowth, though some writers distinguished this from hyperplasia by reserving hypertrophy for increased cell size and hyperplasia for increased cell number.

Also see

Sources

Drafting source: Baldwin Dictionary of Philosophy and Psychology, 1901. 1901 New York Macmillan original; archive index checked 2026-10-18. “Hypertrophy” (Hypertrophy).
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PsychTerms (psychterms.org), CC BY 4.0, version 1. “hypertrophy.” Development preview.

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