ANAT 215 Lecture Notes - Lecture 15: Weight-Bearing, Foramen Magnum, Intervertebral Disc

• School: Queen's University
• Department: Anatomy and Cell Biology
• Course: ANAT 215
• Professor: Leslie W Mac Kenzie

Document Summary

Vertebral column (spine) (reading materials: chapter 6: pages 164-174; chapter 8: pages 220-22. 26 bones: vertebrae (24, sacrum (1, coccyx (1) Approximately 70 cm long in average adult: consists of five regions: Thoracic (12 vertebrae) : upper part of back. Lumbar (5 vertebrae) : lower part of back. Spinal curvatures: 4, rotating, conforms to the letter s : primary: concave anteriorly. Due to confine region of uterus (concave anteriorly) the ball shape configuration the baby is in within the uterus itself primary curvatures there during development. Cervical curvature forms when the baby can now hold it up its head (secondary as it is. When baby is strong enough to put weight on its lower limbs, the lumbar curvature takes form. Scoliosis: lateral deviation of spine;, aka twist back. Vertebral structure: all vertebra shares a common structure. Vertebral foramen (canal) : where the spinal cord is found, in the middle of everything.