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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 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 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]
Bertolotti's syndrome is characterized by sacralization of the lowest lumbar vertebral body and lumbarization of the uppermost sacral segment. It involves a total or partial unilateral or bilateral fusion of the transverse process of the lowest lumbar vertebra to the sacrum, leading to the formation of a transitional 5th lumbar vertebra.
Congenital scoliosis can be attributed to a malformation of the spine during weeks three to six in utero due to a failure of formation, a failure of segmentation, or a combination of stimuli. [47] Incomplete and abnormal segmentation results in an abnormally shaped vertebra, at times fused to a normal vertebra or unilaterally fused vertebrae ...
The trial didn't fix that rape victims like Pelicot have to endure a years-long trial process, confront their rapists in court, and answer intrusive questions, Ahrabare said.
Larry Mullen Jr. has always found it difficult to comprehend arithmetic, and now he knows why.. After years of struggling with numeracy skills such as adding and counting, the U2 drummer, 63, has ...
Those kinds of questions might not yield the rosiest answers, but if you’re dealing with someone who’s open to the process and who’s willing to examine their life, you could come away with a ...