. Quain's elements of anatomy . i^ m. Fig. 314.—Sections thkough the origin of the fourth nerve (Stilling), f A, transverse section at the place of emergence of the nerve-fibres. B, oblique sectioncarried along the comse of the bundles from the nucleus of origin to the place of emer-gence. Aq, Sylvian aqueduct, vith its suiTounding grey matter ; IV, the nerve-bundlesemerging ; IV, decussation of the nerves of the two sides ; IV, a round bundle passingdownwards by the side of the aqueduct to emerge a little lower down ; n, IV, nucleus ofthe fourth nerve. /, fillet; s. c. p., superior cerebellar
. Quain's elements of anatomy . i^ m. Fig. 314.—Sections thkough the origin of the fourth nerve (Stilling), f A, transverse section at the place of emergence of the nerve-fibres. B, oblique sectioncarried along the comse of the bundles from the nucleus of origin to the place of emer-gence. Aq, Sylvian aqueduct, vith its suiTounding grey matter ; IV, the nerve-bundlesemerging ; IV, decussation of the nerves of the two sides ; IV, a round bundle passingdownwards by the side of the aqueduct to emerge a little lower down ; n, IV, nucleus ofthe fourth nerve. /, fillet; s. c. p., superior cerebellar peduncle; , descendingroot of the fifth nerve ; i^Z, posterior longitudinal bundle; r, raphe. bodies immediately below that of the third nerve. The cells arelarger than those of the nucleus of the third nerve. From them itsfibres pass obliquely downwards and backwards, uniting to form one ormore round well-marked bundles, which run in the wall of the aqueductto reach its posterior extremity (fig. 314, IV) ; here the fibres cur
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Keywords: ., boo, bookcentury1800, booksubjectanatomy, booksubjecthumananatomy
