| Description
| - The spine in rabbits consists of 7 cervical, 12 thoracic, 7 lumbar and 4 sacral and 15 caudal vertebrae, but physiological number of thoracic and lumbar vertebrae vary in literature. Congenital abnormalities of the spine are identified radiographically. Previously described forms in other species include transitional vertebrae, hemivertebrae, block vertebrae, atlantoaxial malformations and spina bifida. The purpose of this study was to estimate the variance of different number of vertebrae in spine and incidence of all types of congenital vertebral anomalies in a population of rabbits. The radiographic archive was searched for radiographs of whole rabbits' vertebral column in two orthogonal views. The caudal part of tail was not included in the study. All radiographs were reviewed to presence of congenital anomaly and number of vertebrae in each segment of spine was counted. A total of 164 rabbits were studied (85 males and 79 females). Seven cervical(C7), 12 thoracic (Th12), 7 lumbar (L7) and 4 sacral (S4) vertebrae were found in 143 rabbits (87.2%). Some variance in number of vertebrae was found in thoracic and lumbar part. C7, Th13, L7, S4 vertebrae were found in 6 rabbits(3.88%). C7, Th12, L6, S4 were found in4 rabbits (2.43%). C7, Th11, L7, S4 were found in 1rabbit (0.61%). C7, Th12, L8, S4, were found in 1rabbit (0.61%). Congenital spinal abnormalities were found in 9 cases (5.49%), 5 males and 4 females. No spina bifida, hemivertebra and block vertebra were found. No congenital abnormalities were found in cervical region. In thoracolumbar region2 cases (1.22%) of transitional vertebrae with unilateral rib in thoracolumbar region and C7, Th11, L7, S4 vertebrae were present and in next 2 cases (1.22%) transitional vertebrae with unilateral rib and C7, Th12, L7, S4 vertebrae were detected. In 1 case(0.61%) transitional bilateral rudimentary ribs and C7, Th12,vertebrae with L7, S4 was detected, and in 1 case(0.61%) transitional vertebrae with bilateral rudimentar
- The spine in rabbits consists of 7 cervical, 12 thoracic, 7 lumbar and 4 sacral and 15 caudal vertebrae, but physiological number of thoracic and lumbar vertebrae vary in literature. Congenital abnormalities of the spine are identified radiographically. Previously described forms in other species include transitional vertebrae, hemivertebrae, block vertebrae, atlantoaxial malformations and spina bifida. The purpose of this study was to estimate the variance of different number of vertebrae in spine and incidence of all types of congenital vertebral anomalies in a population of rabbits. The radiographic archive was searched for radiographs of whole rabbits' vertebral column in two orthogonal views. The caudal part of tail was not included in the study. All radiographs were reviewed to presence of congenital anomaly and number of vertebrae in each segment of spine was counted. A total of 164 rabbits were studied (85 males and 79 females). Seven cervical(C7), 12 thoracic (Th12), 7 lumbar (L7) and 4 sacral (S4) vertebrae were found in 143 rabbits (87.2%). Some variance in number of vertebrae was found in thoracic and lumbar part. C7, Th13, L7, S4 vertebrae were found in 6 rabbits(3.88%). C7, Th12, L6, S4 were found in4 rabbits (2.43%). C7, Th11, L7, S4 were found in 1rabbit (0.61%). C7, Th12, L8, S4, were found in 1rabbit (0.61%). Congenital spinal abnormalities were found in 9 cases (5.49%), 5 males and 4 females. No spina bifida, hemivertebra and block vertebra were found. No congenital abnormalities were found in cervical region. In thoracolumbar region2 cases (1.22%) of transitional vertebrae with unilateral rib in thoracolumbar region and C7, Th11, L7, S4 vertebrae were present and in next 2 cases (1.22%) transitional vertebrae with unilateral rib and C7, Th12, L7, S4 vertebrae were detected. In 1 case(0.61%) transitional bilateral rudimentary ribs and C7, Th12,vertebrae with L7, S4 was detected, and in 1 case(0.61%) transitional vertebrae with bilateral rudimentar (en)
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