Abstract：
:Application of horseradish peroxidase (HRP) to the proximal stump of the transected infraorbital (IO) nerve in the orbit was employed in normal adult rats to demonstrate the ganglionic representation of and brainstem innervation by the trigeminal (V) branch which supplies primarily the mystacial vibrissae. In the V ganglion, somal clusters resembling the barrels or barreloids which comprise the central representations of the whiskers were not visible. In the trigeminal brainstem nuclear complex (TBNC), however, barrel-like aggregates of HRP-labeled terminals could be clearly seen throughout subnucleus interpolaris and, to a lesser extent, in the principal sensory nucleus, subnucleus caudalis and the first cervical segment. In adult rats subjected to neonatal IO nerve section and vibrissae follicle cauterization, transganglionic HRP transport from the 'regenerate' IO nerve indicated an almost exclusive projection to the marginal layer of the medullary and rostral cervical dorsal horn.
journal_name
Brain Resjournal_title
Brain researchauthors
Jacquin MF,Rhoades RWdoi
10.1016/0006-8993(83)90970-8subject
Has Abstractpub_date
1983-06-13 00:00:00pages
137-44issue
1eissn
0006-8993issn
1872-6240pii
0006-8993(83)90970-8journal_volume
269pub_type
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