Architecture of the ciliary muscle of Gallus domesticus

Architecture of the ciliary muscle of Gallus domesticus

Autor Tedesco, Roberto Carlos Autor UNIFESP Google Scholar
Calabrese, K. D. Google Scholar
Smith, Ricardo Luiz Autor UNIFESP Google Scholar
Instituição Inst Oswaldo Cruz
Universidade Federal de São Paulo (UNIFESP)
Resumo There are species-related anatomical differences in the ciliary muscle of the avian eye. the arrangement of muscular fibers in the avian eye is not well defined. To clarify this situation, we studied the architecture of ciliary muscle of Gallus domesticus by light and scanning electron microscopy (SEM). Our results showed the existence of three main muscular groups that we defined as anterior, posterior, and intermediary. These muscle divisions correspond to the description of the ciliary muscle as previously stated by Crampton (1813), Brucke, and Muller (1856). the striated fibers have a meridian orientation. the anterior and posterior muscular groups are inserted in the sclera, around the Schlemm's canal wall and ciliary process stroma. the vitreal intermediary muscle has fibers inserted in Schlemm's canal wall and ciliary process stroma. the framework of these muscular fibers may according to its insertions participate in the visual accommodation mechanism and outflow of the aqueous humor system. © 2005 Wiley-Liss, Inc.
Palavra-chave ciliary muscle
Gallus domesticus
accommodation
maceration and electron microscopy
Idioma Inglês
Data de publicação 2005-06-01
Publicado em Anatomical Record Part A-discoveries in Molecular Cellular and Evolutionary Biology. Hoboken: Wiley-liss, v. 284A, n. 2, p. 544-549, 2005.
ISSN 1552-4884 (Sherpa/Romeo, fator de impacto)
Publicador Wiley-Blackwell
Extensão 544-549
Fonte http://dx.doi.org/10.1002/ar.a.20192
Direito de acesso Acesso aberto Open Access
Tipo Artigo
Web of Science WOS:000229593600005
Endereço permanente http://repositorio.unifesp.br/handle/11600/28310

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