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Lumbarization is an anomaly in the spine. It is defined by the nonfusion of the first and second segments of the sacrum. The lumbar spine subsequently appears to have six vertebrae or segments, not five. This sixth lumbar vertebra is known as a transitional vertebra. Conversely the sacrum appears to have only four segments instead of its ...
The three categories treated for types of spinal cord deficiencies are massive fusion of the cervical spine (Type I), the fusion of 1 or 2 vertebrae (Type II), and the presence of thoracic and lumbar spine anomalies in association with type I or type II Klippel–Feil syndrome (Type III). [citation needed]
Diastematomyelia is a "dysraphic state" of unknown embryonic origin, but is probably initiated by an accessory neurenteric canal (an additional embryonic spinal canal.).) This condition may be an isolated phenomenon or may be associated with other segmental anomalies of the vertebral bodies such as spina bifida, kyphoscoliosis, butterfly vertebra, hemivertebra and block vertebrae which are ...
The segmentation pattern observed in the spinal nerves is in fact governed by the somatic mesoderm. In the embryonic stages of higher vertebrates including humans, the segmentation of these spinal nerves follows the directions from both the anterior (A, cranial) and posterior (P, caudal) sections of the somite mesoderm.
The PAM50 template is an anatomical template of the spinal cord that covers the full spinal cord and brainstem and is available for T1-, T2- and T2*-weighted MRI contrasts. The PAM50 template includes probabilistic segmentation of white matter, gray matter, CSF as well as probabilistic atlases of gray matter subregions and white matter pathways.
Now test for stiffness or pain flexing or extending the cervical spine: "bend your neck forwards to try to touch your chin against your chest." "bend your neck back to lift your chin." "open your jaw and move it from side to side" to test for pain free normal temporo-mandibular joint movement. "put your hands behind your head with your elbows ...
It is a congenital disorder in which the fetal development of the lower spine—the caudal partition of the spine—is abnormal. [1] It occurs at a rate of approximately one per 60,000 live births. [2] Some babies are born with very small differences compared to typical development, and others have significant changes.
Cervicocranial syndrome can be caused either due to a defect (genetic mutation [9] or development of diseases later in life) or an injury pertaining to the cervical area of the neck that damages the spinal nerves traveling through the cervical region [10] [7] resulting in ventral subluxation. [11]