Reference for Niddah 34:12

א"ל אנא הכי קאמינא

If blood is found anywhere from the duct inwards, and there is any doubt about its character,<span class="x" onmousemove="('comment',' Sc. whether it originated in the uterus or urinary bladder. ');">⁸</span>

Jastrow

Jastrow

Jastrow