Reference for Niddah 38:45

זעירי אמר רבי חנינא

Does not this refer to a louse of any part of the body? — No, to one of her head. Ammi of Wardina<span class="x" onmousemove="('comment',' Place name (cf. 'Er. 49a). Wardina or Barada on the eastern bank of the Tigris was two hours distance from the north of Bagdad (cf. 'Er. (Sonc. ed.) p. 340, n. 11). Aliter: 'The fragrant (werad = rose) Ammi' (cf. Rashi). ');">⁴¹</span>

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