Indwara yo Kugagara ingingo ni ukugabanuka cyangwa guhagarara k’ubushobozi bwo kwikunjakunja cyangwa kwinyeganyeza kw’inyama z’umubiri w’ibiremwa byigenza, ku bwo kwangirika (lésions) kw’agace runaka k’ubwonko gakoresha urwo rugingo.