俱舍論疏 9.180

9.180

論「洟等皆亦至身中餘物」，經部釋也。彼經「云何內地界謂髮等及身中餘物」，洟等是餘物等也。

On the Śāstra's statement: 'Mucus and the like are also, up to: other things in the body': the Sautrāntikas explain. That sūtra states: 'What is the internal earth element? It refers to hair and so forth, and other things in the body.' Mucus and the like fall under 'other things'.