I-Hypertrophy ukwanda kobukhulu bamaseli okuholela ekwandeni okuphelele kobukhulu bezicubu noma isitho. Kuwushintsho olungenalo umdlavuza. Elinye igama le-hypertrophy yi-hypertrophic. Ngokuphambene ne i-hyperplasia, i-hypertrophy ayibangeli ukwanda kwenani lamaseli. Amaseli emisipha yamathambo nenhliziyo ngokuvamile abhekana ne-hypertrophy ekuphenduleni ukwanda kwesidingo somzimba kanye nengcindezi kumaseli. Ngesikhathi sokukhulelwa, amangqamuzana emisipha esibelethweni athola i-hypertrophy ekuphenduleni ukukhushulwa kwe-hormone. I-Hypertrophy ichazwa njenge-physiologic lapho isiza noma ithuthukisa indlela isitho noma izicubu ezisebenza ngayo. I-Hypertrophy ichazwa njenge-pathologic uma ibangelwa isifo noma iholela ekusebenzeni okungalungile.