《仪礼·士丧礼》
鼎里放一只猪，猪分解成两前肢与两后肢，去掉四蹄，加上两肋和肺，计为七体。
其实特豚，四鬄，去蹄，两胉，脊、肺。
A pig is placed inside the ding; the pig is separated into two forelimbs and two hind limbs; the four legs are removed, and two ribs and the lungs are added for a total of seven parts.