Integrative Systems 



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Fig. 147. Diagrams of the branches and components of (A) the trigeminal, (B) 

 the facial, and (C) the glossopharyngeal and vagus nerves of a lower vertebrate. 

 (6) Buccal nerve; (ct) chorda tympani; (d) dorsal rami of IX and X; (g) gastric 

 nerve; (gg, in A) Gasserian ganglion; (gg, in B) geniculate ganglion; (h) hyoid 

 nerve; (hm) hyomandibular trunk; (j) Jacobson's connective; (jg) jugular ganglion, 

 (/) lateralis nerve; (Ig, in B) lateral ganglion of VII; (Ig, in C) lateral ganglion of X; 

 (md) mandibular; {mxe) external mandibular; (mx) maxillary; (op) ophthalmicus 

 profundus nerve; (os) superficial ophthalmic nerve; (pal) palatine nerve; (po, pr) 

 post- and pretrematic rami; (sp) spiracle; (si) nerve to supratemporal lateral- 

 line organs; (1-5) gill-clefts. (Courtesy, Kingsley: "Comparative Anatomy of 

 Vertebrates," Philadelphia, The Blakiston Company.) 



