Reference for Niddah 111:10

והרי חלב שבאשה שמתעגל ויוצא ואמר מר

must be similar to spittle; as spittle is formed in globules when it is discharged so must any other unclean fluid be one that is formed in globules when it is discharged; blood is, therefore, excluded since it is not formed in globules when it is discharged. But is not a woman's milk formed in globules when it is discharged and the Master nevertheless stated that 'a woman's milk conveys the uncleanness of liquids' which implies: Only<span class="x" onmousemove="('comment',' Lit., 'yes'. ');">⁸</span>

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