Cortex, Matière Grise, Fibre, Elixir de Vie

The Economy of the Animal Kingdom, volume III, La Fibre, extraits: 

Chapitre I, no 61, p. 6: "For so does the pia mater wind its way; the capillary vessels press upon this membrane; from theses vessels spring the cortical spherules; and on these grow the fibres, ...“

Chapitre I, no 70, p.11: “Through the middle of such spherule, runs a channel, which, like its common axis, is continued into the appended fibre.“

Chapitre 2, no 74a, p.14: "For the vital juice, or animal spirit, is concieved and brought forth in the cortical substance, which are so many most perfect chemical laboratories or most simple of nature's glands.“

Chapitre 2, no 75, p.15: “For there is not a thing in the anatomical system that is not fabricated of fibre, or of a stem, sent out from the brains.“

Chapitre 3, no 102, p.32: “From these considerations it can be seen that the cerebellum is one grand bed of cineritious and medullary substance, which by the forces of its animation pours a copious and ever fresh stream of spirits into all its nerves and through these into the organs, glands and muscles, - and this constantly and in a single manner. In this respect the cerebellum differs from the cerebrum, which latter consists of many conglomerated beds of this kind, that is to say, of many little cerebra. Where-ever there is a fibre and an origin thereof, or a cortical substance, there streams the animal juice. For the fibres are so many little canals and the cortical substances so many laboratories and supereminent glandules which give birth to new spirit and transmit the old spirit, or that which returns from the arteries;“