[The Kohen] confirmed [a nega] because of white hair, which [then] disappeared. Subsequently, either the white hair reappeared, or living skin or expansion appeared. [Whether the original white hair had appeared] initially, after the first week, after the second week, [or] after the nega had been declared tahor, [the status of the nega] does not change. [The Kohen] confirmed [a nega] because of living skin, which [then] disappeared. Subsequently, either the living skin reappeared, or white hair or expansion appeared. [Whether the nega was originally confirmed] initially, after the first week, after the second week, [or] after it had been declared tahor, [the status of the nega] does not change. [The Kohen] confirmed [a nega] because of expansion, which [then] disappeared. Subsequently, either the expansion reappeared or white hair appeared. [Whether the original nega was initially confirmed] at the end of the first week, at the end of the second week, [or] after it was declared tahor, [the status of the nega] does not change.

‘‘Deposited hair’’ — Akavya ben Mahalalel rules it tamei and the Sages rule it tahor. What is ‘‘deposited hair’’? Someone had a baheres with white hair. The baheres disappeared, leaving the white hair in place, and [subsequently] returned. Akavya ben Mahalalel rules ‘‘deposited hair’’ to be tamei, and the Sages rule it tahor. R’ Akiva said: ‘‘I agree that this case is tahor [because it is not ‘deposited hair’]. What is ‘deposited hair’? Someone had a baheres the size of a gris that contained two [white] hairs. [The baheres] receded half a gris, leaving the white hair on the remaining baheres, and [subsequently] returned.’’  They said to him: ‘‘Just like Akavya’s opinion is disregarded, so is your opinion not upheld.“