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Vert. Col. and Back

Vertebral Column and Back

QuestionAnswer
Structural building block of the spine Vertebra
Superficial Extrinsic muscles of the back Trapezius, Latissimus dorsi, Levator scapulae, Rhomboid major, Rhomboid minor
Chief extensors of the back Erector spinae
Aka vertebra prominens C7
Forms the primary curves of the vertebral column Thoracic and Sacrococcygeal
first cervical vertebra Axis (C1)
holds the dens against the C1 arch Transverse ligament
Made up of 5 fused vertebrae Sacrum
tail bone Coccyx
Supplies blood to the spine Segmental vessels
No. of pairs of spinal nerves 31
innervates the skin and deep muscles of the back Dorsal primary ramus
forms the plexi, intercostals, subcostal nerves Ventral primary ramus
Where the spinal nerves terminate conus medullaris
3 layers of meninges of the spinal cord dura, arachnoid, pia mater
space filled with CSF subarachnoid space
outer covering of the spinal cord dura
predominantly cell bodies central gray matter
predominantly axons peripheral white matter
degenerative osteoarthritis of the joints between the spinal vertebrae or neural foramina spondylosis
anterior/posterior slippage /displacement of the vertebra Spondylolisthesis
lateral curvature of the spine accompanied by the rotation of the vertebrae Scoliosis
scoliosis due to assymetrical weakness of the intrinsic back muscles myopathic scoliosis
Created by: mareezyweezy