THE VESTIBULAR APPARATUS AND CEREBELLUM 



185 



medulla oblongata for local bulbar reflexes; there is a vestibulo- 

 spinal tract (tr.v.sp.) for movements of the trunk and limbs 



brc.mf. 



collie, sup 

 c.g.rn. 



col lie inf. 

 f.Lm 



Tr.v.qereh 



nuc amb. 



Fig. 86. Diagram of the nuclei of the vestibular nerve, together with 

 some of the associated fiber tracts. The secondary tracts associated with 

 the vestibular nuclei are drawn in full lines; a part of the secondary auditory 

 path from the cochlear nuclei is drawn in broken lines. Compare Figs. 

 71, 77, 96. br.c.inf., brachium quadrigeminum inferius; c.g.m., corpus genic- 

 ulatum mediale; collie, inf., colliculus inferior; collie, sup., colliculus superior; 

 f.l.m., fasciculus longitudinalis medialis; L, nucleus nervi vestibuli lateralis 

 (Deiters); Im. lat., lemniscus lateralis; M, nucleus nervi vestibuli medialis 

 (Schwalbe); n.lm. lot., nucleus of lemniscus lateralis; nuc. amb., nucleus 

 ambiguus; ol. sup., superior olive; S, nucleus nervi vestibuli superior (Bech- 

 terew); Sp., nucleus spinalis nervi vestibuli; tr. v. cereb., tractus vestibulo- 

 cerebellaris; tr.v.sp., tractus vestibulo-spinalis; VIII c., radix cochlearis of 

 VIII nerve; VIII v., radix vestibularis of VIII nerve. 



in response to stimulation of the semicircular canals; and there 

 is also a strong connection with the longitudinal medial fascicu- 



