Dr. Willis's practice of physick being the whole works of that renowned and famous physician wherein most of the diseases belonging to the body of man are treated of, with excellent methods and receipts for the cure of the same : fitted to the meanest capacity by an index for the explaining of all the hard and unusual words and terms of art derived from the Greek, Latine, or other languages for the benefit of the English reader : with forty copper plates.

The Eighth Figure.

REpresents the oblong Marrow taken out of the Head of a Sheep with the Brain cut off and remov∣ed, and with the Cerebel and one streaked Body cut in two in the middle, and other things chiefly belonging to the medullar Trunk.

• AA. The chamfered Body cut in two in the midst, that its marrowy chamferings may appear.
• B. The other chamfered Body whole covered with the Choroeidal Infolding with the extreme portion of the cal∣lous Body CC. sticking to the same.
• CC. The brim or extremity of the callous Body cleaving to the chamfered Body.
• D. The Basis of the Fornix.
• E. The right wing of the Chorotidal Infolding.
• F. The passage of the Veins being stretched out from the fourth bosom, which being presently forked, constitutes the veinous portion of either wing of the Choroeidal Infolding; under the beginning of this passage, very much beset with Fibres and sanguiferous Vessels, the Pineal Glandula lyes hid.
• G. The hole or chink leading to the Tunnel.
• HH. The chambers of the Optick Nerves.
• II. The medullary processes, or the ways of passage which lead from the medullar stock into the orbicular Pro∣tuberances.
• KK. The Buttock-form orbicular Protuberances.
• LL. The lesser Protuberances called Testes.
• M. The meeting together of the Processes ascending obliquely from the Testes into the Cerebel.
• N. The hole of the lower Ventricle lying under the orbicular Protuberances.
• OO. •…•…he pathetick Nerves of the Eyes.
• PP. The medullary Processes stretched out from the Testes into the Cerebel.
• QQ. Other medullar Processes, which being sent from the Cerebel towards the oblong Marrow, compass about its stock, and constitute the annular or ringy Protuberance.
• RR. The lowest or third Processes of the Cere•…•…el, which being inserted to the medullar Trunk, become additio∣nal cords or strings of it.
• SS. The medullar Ramifications or Branching of the Cerebel.
• TT. The middle marrows of either Cerebel in which its three medullary Processes, constituting either little foot of it, grow together.
• V. The Ditch constituting the fourth Ventricle in the medullar Trunk.
• X. The extremity of the oblong Marrow about to end in the Spinal.

[illustration]

Fig. VIII.

II. p. 86