Quain's elements of anatomy . Fia -Outline of two sections across the mesencephalon.(E. A. S. After Stilling.) NATDItAL SIZE. A, tlirougli the middle of tLe inferior corpora qnadrigemina; B, throngli the middleof the superior corpora quadrigemina. cr, crusta; s n, substantia nigra ; t, tegmentum ; s, Sylvian aqueduct, with itssurrounding grey matter; , grey matter of the corpora cpadrigemina; , lateralgrooYe ; , posterior longitudinal bundle; , descending root of the fifth nerve;, superior cerebellar peduncle ; /, fillet. The dotted circle in B indicates the situa-tion of th
Quain's elements of anatomy . Fia -Outline of two sections across the mesencephalon.(E. A. S. After Stilling.) NATDItAL SIZE. A, tlirougli the middle of tLe inferior corpora qnadrigemina; B, throngli the middleof the superior corpora quadrigemina. cr, crusta; s n, substantia nigra ; t, tegmentum ; s, Sylvian aqueduct, with itssurrounding grey matter; , grey matter of the corpora cpadrigemina; , lateralgrooYe ; , posterior longitudinal bundle; , descending root of the fifth nerve;, superior cerebellar peduncle ; /, fillet. The dotted circle in B indicates the situa-tion of the tegmental nucleus. peduncle of the cerebellum. The two ventral portions (crusta3 or pedes)are entirely distinct from one another (as shown in the accompany-ing sections, fig. 286), and each is marked off externally from thetegmentum of the same side by the grooves just mentioned ; but thetwo tegmenta are closely united in the middle line by a prolongationof the raphe, and extend dorsally at the sides of the aqueduct to beco
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Keywords: ., boo, bookcentury1800, booksubjectanatomy, booksubjecthumananatomy
