CAPS 391 Lecture Notes - Dorsal Root Ganglion, Spinal Canal, Neuron

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Anatomy: to dissect ana: cut tomy: separate. Flexion/extension: sagittal plane (e. g. ) knee, elbow: *opposite directions of these moves. Direction of curvature (increases resistance to axial compression of spine) Dynamic: (vertebrae columns are connected) (e. g. ) fingers: middle finger toes: *2nd toe. Resistance: r= n^2 + 1 (n= # of curves) Typical cervical vertebrae (ciii to cvi) small square body large triangular vertebral foramen. * has no body!! posterior surface of anterior arch articulates with odontoid process of axis (cii) has posterior tubercle (like a spinous process) Axis (cii) pivot for rotational movements of head odontoid process articulates with anterior arch of atlas (ci) Longest non-bifurcated spinous process = prominent vertebra costal facets on sides of body for articulation w/ head of ribs costal facets on transverse processes for articulation w/ tubercle of the ribs. Heart-shaped body long spinous process pointing inferiorly small round vertebral foramen. Kidney-shaped body long, slender transverse processes triangular vertebral foramen.

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