Reference for Niddah 43:12

או דלמא האי ממנו עד שתצא טומאתו לחוץ ואפי' בקיסם נמי

Rabba required of R. Huna: What is the ruling where one observed semen on a splinter?<span class="x" onmousemove="('comment',' After it had been inserted into the membrum. ');">¹²</span>

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