Part 15 · Chapter 209

And moreover, when those Mochin are within the female, a third aspect of illumination is added, unlike when they are within ZA. For when they were within ZA, the Yesod of Ima terminated at the chest of ZA, and the Yesod of Aba, which is longer, as is known, terminated exactly at the end of the Yesod of ZA and did not emerge outside the Yesod at all.