Le 3ème Ventricule

The Brain, volume II, chapitre XVII, The Third Ventricle, pp. 32 & ss., extraits:

“560. This cavern extends from the base of the fornix to the pineal gland, or it is intermediate between the two centers; one of which belongs to the cerebrum, and the other is common to the cerebrum and cerebellum. Thus protected at its extremities it streches out in the most secure region of the encephalon; and so far as the dimension of its upper portion, or of its top-line is concerned, where its cleft or rima is closed, it never contracts, and thus is never shortened, but preserves its length, no matter how much the circumferences around it may be stretched apart, and no matter how much they may be moved, or may impinge against this ventricle. This also contributes very much to the welfare of the while kingdom; for thereupon depends the stability of life. “

“561. [...]. [...]. [...]. [...]. [...]. [...]; for the top edges of the cavity which extend between the two “umbilici“ - the base of the fornix and the pineal gland - cannot be easily dilated, even as they do not suffer themselves to be elongated, since the “umbilici“ constantly preserve their original positions. [...]; [...]; [...].“ 

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