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Systematization, Description, and Territory of the Caudal Cerebral Artery in Surface of the Brain of the Ostrich ( Struthio camelus )
Author(s) -
Nazer Manoel,
Campos Rui
Publication year - 2014
Publication title -
the anatomical record
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.678
H-Index - 62
eISSN - 1932-8494
pISSN - 1932-8486
DOI - 10.1002/ar.22938
Subject(s) - anatomy , cerebral arteries , medicine , posterior cerebral artery , artery , dorsum , anterior cerebral artery , middle cerebral artery , surgery , ischemia
ABSTRACT 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 quadruple‐branched 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, 297:1523–1531, 2014. © 2014 Wiley Periodicals, Inc.