Anatomical Distribution of Efferent Fibers in the 8th Cranial Nerve of the Bullfrog (Rana catesbeiana)

Autor:	R. S. Bauknight, V. Honrubia, Ruth G. Robbins
Rok vydání:	1967
Předmět:	Vestibular system Wallerian degeneration Acoustics and Ultrasonics Efferent Anatomy Biology medicine.disease Rana Ganglion Major duodenal papilla medicine.anatomical_structure Arts and Humanities (miscellaneous) Sensory Ganglion Bullfrog medicine sense organs
Zdroj:	The Journal of the Acoustical Society of America. 41:1585-1585
ISSN:	0001-4966
DOI:	10.1121/1.2143591
Popis:	The 8th cranial nerve of the bullfrog was surgically transected between the brain stem and sensory ganglion. Two to three weeks after section of the nerve the frogs were sacrificed and the Wallerian degeneration in the nerve was studied. It was possible to demonstrate the presence of efferent fibers going toward the sensory epithelium of all the recognized vestibular end organs, and also toward the papilla of the pars amphibiorum. However, no efferent fibers were seen at the level of the papilla basilaris. The ganglion cells of both the acoustic and vestibular afferent fibers appeared normal. Many degenerated fibers were seen around the sacculus wall among a group of fibers previously undescribed.
Databáze:	OpenAIRE
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