Rehabilitation Sciences 3062A/B Lecture Notes - Lecture 2: Reticular Formation, Motor Planning, Pineal Gland
14 Jan 2021
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Document Summary
Primary divisions of the ns: cns, everything encased in bone, the course will focus on this, pns. Skull: can be considered a box that surrounds and protects the brain, also protects organs of sight and hearing, formed by 21 closely sutured bones and mandible, 8 cranial bones, 14 facial bones. In infancy: 1/4 the size of an adult, 80% at 3 years, 96% at 5 years. Spine: encloses the spinal cord, atlas articulates with skull, sacrum articulates with pelvis, cervical and lumbar - lordosis (convex, thoracic - kyphosis (concave, 7 cervical, 12 thoracic, 5 lumbar, 5 sacral, 4 coccygeal, vertebrae: Axis (c2) odontoid process: c-spine - atlas and axis. Spinal cord: medulla, pons, midbrain, diencephalon, cerebellum, cerebral hemispheres. Spinal cord: 8 cervical segments, cord can both phase information between brain and periphery and process information locally, reflexes, travels to first or second lumbar vertebrae. Located below the corpus callosum and above the midbrain: components, thalamus, hypothalamus, epithalamus, pineal gland, subthalamus.
