The persistent neurocentral
synchondrosis results from failure of the cartilage segments to differentiate into bone.
The vertebra of children are unique in that they have growth centers of the neurocentral
synchondrosis and both superior and inferior aspects of the vertebral body which can result in growth plate fractures and injuries from trauma, similar to growth plates of long bones.
(Sauropoda: Diplodocidae), with implications for neurocentral
closure timing, and the cervico-dorsal transition in diplodocids," that appeared Tuesday in the journal PeerJ.
Considering the possibility of decreased longitudinal growth of the spinal column at L5-S1 level secondary to destruction of their ring apophysis, chances of developing spinal canal stenosis due to suppression of neurocentral
cartilage (NCC) growth through tethering effect of anterior spinal fusion in child before six years of age, development of secondary deformities, and restricted range of motion, we did not perform interbody fusion during the initial surgery in our case [14,15].
In addition, the neurocentral
joint between cervical and dorsal vertebral centra and neural arches are not sutured; girdle bones articular facets are rounded and not well-marked.
The neurocentral sutures between the neural arch and the centrum can be recognized in both vertebrae (Fig.
The neurocentral suture can be seen in the left side of this vertebra, under the transverse process.
joints of Luschka and the intervertebral disks are also functional components of the subaxial motion segments.
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They are anteroventrally to dorsocaudally oval in outline, forming a strong prominence immediately beneath the neurocentral
suture, as described in Andrews (1913).
It can be distinguished by its slightly longer diapophyses, which are dorsally placed with respect to the neural canal, or the parapophyses, which are less marked, dorsally placed and closer to the neurocentral
suture (Mook, 1921; Wu et al., 1996; Nascimento and Zaher, 2010).
The neural arch is broken above the neurocentral
suture, and two stout pedicles remain fused to the centrum.