OBJECTIVE: To study the feasibility of heterologous aponeurosis to close the abdominal wall of rabbits emphasizing the rejection process. METHODS: This project was approved by the Animals Care Committee of the Faculdade de Ciências Médicas da Santa Casa de São Paulo, and it was carried out at the Experimental Surgery and Technical Unit. Four red female rabbits exchanged abdominal wall aponeurosis with other four white male animals. Two rabbits just had it removed and replaced to be the control group […]