Parashas Metzora · Passuk 15:02
Chabad.org — English translation + Rashi
Torah Temima points to Kerisus 8b (verified on the daf).
E-Daf.com — Tsurras Hadaf (size=3)
HebrewBooks / Shas PDF of the daf
English: “When he has a discharge from his flesh” — from his flesh, and not as a result of an accident (ones).
Exclusion of accidental discharge
Chazal exclude a discharge caused by external force or accident from the category of zivah.