Reference for Niddah 51:34

דא"ר פרנך אמר רבי יוחנן

<b><i>GEMARA</i></b>. Our Rabbis taught: The placenta in its first stage resembles a thread of the woof and in its final stage it resembles a lupine. It is hollow like a trumpet; and no placenta is smaller than a handbreadth. R. Simeon b. Gamaliel stated: The placenta resembles the craw of a hen<span class="x" onmousemove="('comment',' Lit., 'hens'. ');">³¹</span>

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow