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Bücheranzeigen. 



Hunt, J. Bamsay, New York, The Sensory System of the Facial Nerve; 



and its Symptomatology. Journ. nerv. and ment. Dis., 1909. (Auto- 



referat.) 



The facial nerve has been regarded as a mixed nerve by ana- 

 tomists and embryologists for a decade or more ; having a sensory root 

 and ganglion similar in structure to the sensory ganglia of the spinal 

 nerves and those of the mixed cranial nerves. Its ganglion the geni- 

 culate (intumescentia gangliof ormis), is situated in the depths of 

 the internal auditory canal at the entrance to the aqueduct of Fallopius, 

 at which point the trunk of the facial nerve makes a sharp bend. The 

 sensory root is the pars intermedia of Wrisberg, which lies between 

 facial proper and the auditory nerve. The nerve of Wrisberg enters 

 the substance of the medulla between the roots of the 7th and 8th 

 nerves, and passes to the fasciculus solitarius, having the same mode 

 of termination as the sensory roots of the glosso-pharyngeal and the 

 vagus nerves. On the distal side of the geniculate ganglion sensory 

 fibres pass into the great superficial petrosal nerve to Meckel's gan- 

 glion, which is situated on the 2nd division of the 5th, and gives 

 off in its course fibres which enter into the formation of the tympanic 

 plexus through the great deep petrosal nerve; sensory fibres also pass 

 in the small superficial petrosal nerve to the otic ganglion on the 



