780 



NEUROLOGY 





3. The dorsal nucleus (Figs. 696, 698), nucleus ala cinerea, often called the 

 sensory nucleus or the terminal nucleus of the sensory fibers of the glossopharyngeal 



Hypo- 



Vagus Ligula 

 nuclei 



Nucleus of medial eminence nucleus 



I 



Raphe - 

 Format io reticularis grisea 



Formatio reticularis alba _ 

 Accessory olivary nuclei ^ 



Nucleus gracilis 



Nucleus cuneatus 



Inferior peduncl 



Spinal tract of 

 trigeminal nerve 



Vagus nerve 

 Arcuate fibers 



x Inferior olivary nucleus 



Hypoglossal nerve 

 Anterior median fissure 

 FIG. 694. Section of the medulla oblongata at about the middle of the olive. (Schwalbe.) 



Nucleus of vagus 



Ligula, j Medial longitudinal fasciculus 

 Nucleus intercalatus 

 Hypoglossal nucleus 



Descending root of vegtibular nerve 



Hestiform body 



Nucleus laterally 



Spinal tract of tri. 

 geminal nerve 



Vagus nerve 



Nucleus arnbiguus 

 Dorsal accessory 

 olivary nucleus 



Inferior olivary nucleus 

 Hypoglossal nerve 



Cerebrnujjinal fasciculus / \ Medial accessory olivary nucleus 



Leninisms med. Nucleus arcuatus 

 FIG. 695. Transverse section of medulla oblongata below the middle of the olive. 



and vagus nerves, is probably a mixed nucleus and contains not only the terminations 

 of the sympathetic afferent or sensory fibers and the cells connected with them but 

 contains also cells which give rise to sympathetic efferent or preganglionic fibers. 



