Sthohr's histology : arranged upon an embroyological basis (1906)
Sthohr, Philipp, 1849-1911, Lewis, Frederic Thomas, 1875 · Philadelphia : P. Blakiston's Son & Co. · leaf 103
thick, thus forming the brain. The posterior partmakes the spinal cord; its walls are less extensively but more uniformlythickened than those of the brain, and its cavity remains small, becomingthe central canal. This canal is continuous with the ventricles of thebrain and a line of division…
Histology · Microscopy
Internet Archive · Public Domain Mark 1.0. Free to use for anything.