Transcription of CRANIOVERTEBRAL JUNCTION : ANATOMY & RADIOLOGY
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CRANIOVERTEBRAL JUNCTION : ANATOMY & RADIOLOGY
CRANIOVERTEBRAL JUNCTION : ANATOMY & RADIOLOGYP resented By : Dr. SHAILESH JAINCRANIOVERTEBRAL JUNCTION The CRANIOVERTEBRAL (or craniocervical) JUNCTION (CVJ) is a collective term that refers to the occiput( posterior skull base), atlas, axis, and supporting ligaments. It is a transition zone b/w a mobile cranium & relatively rigid spinal column. It encloses the soft tissue structures of the cervicomedullaryjunction (medulla, spinal cord, and lower cranial nerves).EMBRYOLOGY & DEVELOPMENT OF THE CVJ Development of the cartilaginous cranium & the adjacent structures begins during the early weeks of intrauterine life. 2ndGestational week: Mesoderm cells condense in the midline to form notochordalprocess. 3rdGestational week: -notochordalprocess invaginatesin b/w ecto& endoderm to form ectoderm thickens to form neural groove which folds, fuses, & becomes neural & DEVELOPMENT OF THE CVJ Between 3rd& 5thweek: -part of mesoderm which lies on either side of notochord (Paraxial mesoderm) gives rise to somites(Segmentation).
CRANIOVERTEBRAL JUNCTION The craniovertebral (or craniocervical) junction(CVJ) is a collective term that refers to the occiput (posterior skull base), atlas, axis, and supporting ligaments. It is a transition zone b/w a mobile cranium & relatively rigid spinal column.
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