A systematic study of the brain base arteries in the turkey (Meleagris gallopavo)

Carvalho, Amarílis Díaz de; Campos, Rui

doi:10.1590/s0100-736x2011001300007

Cited by 9 publications

(50 citation statements)

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“…Em perus (Meleagris gallopavo), o circuito arterial encefálico apresentouse aberto rostralmente e caudalmente e o suprimento de sangue para o encéfalo foi exclusivamente pelo sistema carotídeo (CARVALHO & CAMPOS, 2011).…”

Section: Discussionunclassified

“…O circuito arterial da base do encéfalo, interpretado por alguns autores (KRAMER, 1912;SHELLSHEAR, 1927;ROGERS, 1947) como uma anastomose de irrigação, foi analisado em alguns vertebrados, como o cavalo (SANTOS, 1987), fetos de bovinos azebuados (MELO, 1996); búfalos (DING et al, 2007); cães (ALCÂNTARA & PRADA, 1992) raposas (DEPEDRINI & CAMPOS, 2003); em ratos (ANDRADE, 1983) capivaras (RECKZIEGEL et al, 2004), marsupiais (LINDEMANN et al, 2000) e em perus (CARVALHO & CAMPOS, 2011).…”

Section: Introductionunclassified

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Anatomia do circuito arterial do encéfalo em Tamanduá-mirim

2013

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Recebido para publicação 12.09. Palavras-chave: anatomia, artérias da base do encéfalo,Tamandua tetradactyla. ABSTRACT The arterial circuit of the brain is of great importance because it is responsible for vascularization of the brain and this is the main organ of the central nervous system and responsible for receiving and processing information. The species was chosen because it is a mammal belonging to the

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Section: Introductionunclassified

Anatomia do circuito arterial do encéfalo em Tamanduá-mirim

2013

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“…In the turkey, the rostral branch was the natural continuation of the cerebral carotid artery (Vitums 1965), a thick caliber vessel, which was projected in arch, until it reached the cerebral transverse fissure (Campos 1987, Campos et al 1995, Carvalho 2011. It was also observed in the turkey and in Gallus gallus (Campos 1987, Campos et al 1995) that this rostral branch presented as collateral branches the caudal cerebral artery and the middle cerebral artery.…”

Section: Discussionmentioning

confidence: 98%

“…But in the opposite antimere, the caudal branch projeted from the cerebral carotid artery as ventral tectal mesencephalic artery (Campos 1987, Campos et al 1995, Carvalho 2011.…”

Section: Discussionmentioning

confidence: 99%

“…Among other authors, we can cite some works related to the brain vascularization of birds, such as Westpfahl (1961) in Gallus gallus (chicken), Kitoh (1962) in Gallus gallus, Vitums (1965) in Zonotrichia leucophrys gambelli (sparrow), Baumel (1967) in birds, Crowe & Crowe (1979) in Numida meleagris (helmeted guineafowl), Midtgard (1984) in Larus argentatus (herring gull), Campos (1987) in Gallus gallus, Carvalho (2011) in Meleagris gallopavo (turkey) and Nazer (2011) in Struthio camelus (ostrich).…”

Section: Introductionmentioning

confidence: 99%

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Systematization, distribution and territory of the caudal cerebral artery on the brain's surface of the turkey (Meleagris gallopavo)

Carvalho

Campos

2014

Pesq. Vet. Bras.

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Thirty Meleagris gallopavo heads with their neck segments were used. Animals were contained and euthanized with the association of mebezonium iodide, embutramide and tetracaine hydrochloride (T 61, Intervet ) by intravenous injection. The arterial system was rinsed with cold saline solution (15°C), with 5000IU heparin and filled with red-colored latex. The samples were fixed in 20% formaldehyde for seven days. The brains were removed with a segment of cervical spinal cord and after, the dura-mater was removed and the arteries dissected. The cerebral carotid arteries, after the intercarotid anastomosis, were projected around the hypophysis, until they reached the tuber cinereum and divided into their terminal branches, the caudal branch and the rostral branch. The rostral branch was projected rostrolateralwards and gave off, in sequence, two collateral branches, the caudal cerebral and the middle cerebral arteries and the terminal branch was as cerebroethmoidal artery. The caudal cerebral artery of one antimere formed the interhemispheric artery, which gave off dorsal hemispheric branches to the convex surface of both antimeres. Its dorsal tectal mesencephalic branch, of only one antimere, originated the dorsal cerebellar artery. In the interior of the cerebral transverse fissure, after the origin of the dorsal tectal mesencephalic artery, the caudal cerebral artery emitted occipital hemispheric branches, pineal branches and medial hemispheric branches, on both antimeres. The caudal cerebral artery's territory comprehended the entire surface of the dorsal hemioptic lobe, the rostral surface of the cerebellum, the diencephalic structures, the caudal pole and the medial surface of the cerebral hemisphere and in the convex surface, the sagittal eminence except for its most rostral third. Due to the asymmetry found in the caudal cerebral arteries' ramifications, the models were classified into three types and their respective subtypes.

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Systematization, Description, and Territory of the Caudal Cerebral Artery in Surface of the Brain of the Ostrich (Struthio camelus)

Nazer

Campos

2014

The Anatomical Record

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Brain specimens from 30 ostriches were injected with red-dyed latex via the internal carotid arteries, and the caudal cerebral arteries and their branches were systematically described. On the right side, the caudal cerebral artery was double-, triple-, quadruple-, and single-branched in 73.5%, 23.3%, 3.3%, and 3.3% of cases, respectively; on the left side, it was double-, triple-, quadruple-, and single-branched in 76.7%, 20%, 3.3%, and 3.3% of cases, respectively. The dorsal tectal mesencephalic artery appeared as a single vessel in 96.7% of cases, emerging as a collateral branch of the caudal cerebral artery. The dorsal mesencephalic tectal artery originated from the right dorsal cerebellar artery in 40% of cases and from the left side in 63.3% of cases. On the right side, there were four and three medial occipital hemispheric branches in 46.7% and 20% of cases, respectively; on the left side, there were four and three branches in 30% and 26.7% of cases. On the right side, the pineal artery was double-, single-, triple-, and quadruplebranched in 50%, 23.3%, 20%, and 6.7% of cases, respectively; on the left side, this artery was double-, single-, triple-, and quadruple-branched in 50%, 23.3%, 16.7%, and 10% of cases, respectively. The diencephalic artery was on the right side in 43.3% of cases and on the left side in 56.7% of cases. The interhemispheric artery was on the right side in 56.7% of cases and on the left side in 43.3% of cases; four, three, two, five, and one dorsal hemispheric trunks branched off of the interhemispheric artery in 40%, 40%, 10%, 6.7%, and 26.7% of cases, respectively. The caudal cerebral artery was classified as Type I in 56.7% of cases (subtype IA in 33.3% of cases and IB in 23.3% of cases), Type II in 40% of cases (subtype IIA in 20% of cases and IIB in 20% of cases), and Type III in 3.3% of cases. Anat Rec, 297:1523Rec, 297: -1531

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A systematic study of the brain base arteries in the turkey (Meleagris gallopavo)

Cited by 9 publications

References 6 publications

Anatomia do circuito arterial do encéfalo em Tamanduá-mirim

Anatomia do circuito arterial do encéfalo em Tamanduá-mirim

Systematization, distribution and territory of the caudal cerebral artery on the brain's surface of the turkey (Meleagris gallopavo)

Systematization, Description, and Territory of the Caudal Cerebral Artery in Surface of the Brain of the Ostrich (Struthio camelus)

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