ו אמר ליה תניא פיקה של שתי דברי רבי מאיר רבי יהודה אומר של ערב רבי אליעזר ברבי צדוק אומר משיראו טפיפיות מאי טפיפיות אמר רב יהודה אמר שמואל משום ר' אליעזר ברבי צדוק כך היו מפרשין בירושלים כפרידה שכורעת להטיל מימיה ונראית פיקה מתוך פיקה:
6 What are the ring-like formations like? - Rab Judah reported in the name of Samuel in behalf of R'Eliezer son of R'Zadok: In Jerusalem they used to explain it in this manner. Like a mule which bends to urinate,<span class="x" onmousemove="('comment',' The mule bends more than any other animal or beast, and while it does so, wrinkles are descernible on the vagina.');"><sup>10</sup></span> and it has the appearance of a coil coming forth out of a coil. Said R'Huna: I learnt two sizes of coils, one of the warp and the other of the woof, and I am unable to explain.<span class="x" onmousemove="('comment',' To what each of these sizes of coil refers.');"><sup>11</sup></span> When R'Dimi came, [from Palestine], he reported in the name of R'Johanan: I learnt of three sizes of coils, one of the warp, another of the woof and one large coil, and again another of the sack-carriers, and I am unable to explain.<span class="x" onmousemove="('comment',' To what each of these sizes of coil refers.');"><sup>11</sup></span> When R'Abin came [from Palestine] he explained this in the name of R'Johanan. In the case of a woman, the coil is like a warp.<span class="x" onmousemove="('comment',' This is the size which makes the woman subject to the law of one whose womb is open.');"><sup>12</sup></span> In the case of an animal, the size of the coil is like the woof.<span class="x" onmousemove="('comment',' If the embryo had not yet formed a round head of the size of the coil of the woof, then, if the embryo died inside the animal, and the shepherd stretched his hand inside, he does not receive levitical uncleanness.');"><sup>13</sup></span> As to a large-size coil of the sack-carriers, it is as we have learnt.