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Distribution of projection neurons of the superior olivary complex in the auditory brainstem in cats / 中南大学学报(医学版)
Journal of Central South University(Medical Sciences) ; (12): 651-656, 2008.
Artigo em Chinês | WPRIM | ID: wpr-814020
ABSTRACT
OBJECTIVE@#To investigate the distribution and morphology of olivocochlear neurons of superior olivary complex in cats.@*METHODS@#Eight adult cats were divided into 2 groups randomly. Cholera toxin B subunit was injected to the left cochlea and fluoro-gold was injected to the right cochlea in the experimental group (n=5). Saline was injected to bilateral cochlea in the control group (n=3). Brainstem tissue was sectioned serially. All of the sections were immunohistochemically treated with ABC and stained with DAB, and then the labelled olivocochlear neurons were observed.@*RESULTS@#The labelled olivocochlear neurons in the experimental group were 2 518 in total. Of them, the number of lateral olivocochlear (LOC) neurons was 1 738 (69.0%), mainly located in the middle of the pons, predominantly projected ipsilaterally. The total of medial olivocochlear (MOC) neurons was 780 (31%), mainly located in dorsomedial periolivary nucleus, medial nucleus of the trapezoid body and ventral nucleus of the trapezoid body, mainly distributed in the rostral extent of the pons, predominantly projected contralaterally.@*CONCLUSION@#In the distribution of olivocochlear neurons in cats, LOC neurons mainly project to the ipsilateral. While the projection of MOC neurons is predominantly contralateral, the distribution of MOC neurons is more adjacent to the rostral extent of the pons than LOC neurons.
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Vias Auditivas / Tronco Encefálico / Núcleo Olivar / Toxina da Cólera / Cóclea / Núcleo Coclear / Biologia Celular / Injeções / Neurônios / Neurônios Eferentes Limite: Animais Idioma: Chinês Revista: Journal of Central South University(Medical Sciences) Ano de publicação: 2008 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Vias Auditivas / Tronco Encefálico / Núcleo Olivar / Toxina da Cólera / Cóclea / Núcleo Coclear / Biologia Celular / Injeções / Neurônios / Neurônios Eferentes Limite: Animais Idioma: Chinês Revista: Journal of Central South University(Medical Sciences) Ano de publicação: 2008 Tipo de documento: Artigo