Charak Samhita
इत्यग्निवेशप्रमुखैः शिष्यैः पृष्टः पुनर्वसुः। आचचक्षे ततस्तेभ्यो यत्राहारो विपच्यते ॥१६॥
Thus having been questioned by the disciples led by Agnivesha, Lord Atreya described them the organ where food is digested.
english translation
ityagnivezapramukhaiH ziSyaiH pRSTaH punarvasuH। AcacakSe tatastebhyo yatrAhAro vipacyate ॥16॥
hk transliteration by Sanscript