It is that which constitutes three Venters, that is to say, the Upper, the Middle, and the Lower, which are the Head, the Thorax or Breast and the Abdomen or lower Belly, together with the Extremities, which are the Arms and Legs.
What is the lower Belly?
It is a Cavity of the Body that contains the nourishing parts, as the Reins, the Bladder, and all those that are appropriated to Generation in both Sexes.
What is to be consider'd outwardly in the lower Belly?
Its different Regions, and the several parts therein contain'd.
What are these Regions?
They are the Epigastrick, the Umbilical, and the Hypogastrick.
What is their Extent?
It is from the Xyphoides or Sword-like Cartilage to the Os Pubis, the division whereof into three equal Parts, constitutes the three different Regions; the Epigastrium being the first upward, the Umbilicus the second, and the Hypogastrium the third.