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Systematization, distribuiton and Territory of the rostral cerebral artery on the brain surface in chinchilla
Araujo, A C P; Campos, R.
  • Araujo, A C P; Federal University of Rio Grande do Sul. School of Veterinary Medicine. Porto Alegre. BR
  • Campos, R; Federal University of Rio Grande do Sul. School of Veterinary Medicine. Porto Alegre. BR
Braz. j. morphol. sci ; 28(2): 98-103, Apr.-June 2011. ilus
Artículo en Inglés | LILACS | ID: lil-644145
ABSTRACT
The present study has analyzed thirty chinchilla (Chinchilla lanigera) brains, injected with latex, aiming tosystematize and describe the distribution and the vascularization territories of the rostral cerebral artery. Therostral cerebral artery was the terminal branch of the terminal branch, right and left, of the basilar artery,projected from the emittion of the middle cerebral artery, rostromedially, crossing dorsally the optic nerve untilit reaches the cerebral longitudinal fissure, ventrally. Its branches were distributed mostly on the paleopallium,supplying the olfactory trigone, the medial olfactory tract, the olfactory peduncle and the olfactory bulb.The branches to the neopallium vascularized the entire medial surface, except for the tenctorial part of it, thefrontal pole and a zone that was extended from the frontal to the occipital poles, medially to the vallecula,on the convex surface of the cerebral hemisphere. The first collateral branch of the rostral cerebral artery wasthe medial branch, which entered into the longitudinal fissure of the brain and continued as rostral interhemisphericartery. The rostral cerebral artery continued rostrally emitting central branches and the medialand lateral arteries of the olfactory bulb, to the paleopallial region of the chinchilla brain. After the emittion ofthe medial artery of the olfactory bulb, the rostral cerebral artery continued to follow the cerebral longitudinalfissure, as internal ethmoidal artery, its terminal branch.
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Texto completo: Disponible Índice: LILACS (Américas) Asunto principal: Arterias Cerebrales / Cerebro Límite: Animales Idioma: Inglés Revista: Braz. j. morphol. sci Asunto de la revista: Anatomía Año: 2011 Tipo del documento: Artículo País de afiliación: Brasil Institución/País de afiliación: Federal University of Rio Grande do Sul/BR

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Texto completo: Disponible Índice: LILACS (Américas) Asunto principal: Arterias Cerebrales / Cerebro Límite: Animales Idioma: Inglés Revista: Braz. j. morphol. sci Asunto de la revista: Anatomía Año: 2011 Tipo del documento: Artículo País de afiliación: Brasil Institución/País de afiliación: Federal University of Rio Grande do Sul/BR