Quain's elements of anatomy . a close plexus, vi-ith elongated and narrow meshes. ¥m. 416. Fig. 416.—Nerves of the outer wallOP THE NASAL Foss^ (from Sappej,after Hirschfeld and Leveille). g 1, network of the branclies of theolfactorynene, descending npon the regionof the superior and middle turbinatedbones ; 2, external twig of the ethmoidalbranch of the nasal nerve ; 3, spheno-palatine ganglion ; 4, ramification of theanterior palatine nerves; 5, posterior,and 6, middle divisions of the palatinenerves ; 7, branch to the region of theinferior turbinated bone ; 8, branch tothe region of the su
Quain's elements of anatomy . a close plexus, vi-ith elongated and narrow meshes. ¥m. 416. Fig. 416.—Nerves of the outer wallOP THE NASAL Foss^ (from Sappej,after Hirschfeld and Leveille). g 1, network of the branclies of theolfactorynene, descending npon the regionof the superior and middle turbinatedbones ; 2, external twig of the ethmoidalbranch of the nasal nerve ; 3, spheno-palatine ganglion ; 4, ramification of theanterior palatine nerves; 5, posterior,and 6, middle divisions of the palatinenerves ; 7, branch to the region of theinferior turbinated bone ; 8, branch tothe region of the superior and middleturbinated bones; 9, naso-palatine branchto the septum cut short. In their structure the olfac-tory nerve-fibres differ much fromthe ordinary dark-bordered fibresof the cerebral and spinal nerves :they possess no medullary sheath,but are axis-cyhnders provided with a distinct nucleated sheath, muchmore distinct than that of the fibres of Eemak and with nuclei at lessfrequent intervals (fig. 417). Fi-
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Keywords: ., boo, bookcentury1800, booksubjectanatomy, booksubjecthumananatomy
