PSY318H5 Study Guide - Lateral Sulcus, Cranial Nerves, Corpus Callosum

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27 Apr 2011
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Difference in staining can come from size of cells, how densely packed they are in the layers. In nuclei - stand alone as an "island" among the tissue. Large collection of axons projecting to or away from a layer or nucleus within the cns. Fibers and fiber pathways that enter and leave the cns. The origin and development of the central nervous system. Develops further to form telencephalon and diencephalon - includes thalamus. Further develops into metencephalon (includes enlarged cerebellum) and myelencephalon. Hollow pockets within the brain filled with csf come from hollow neural tube. Third and fourth ventricles extend into the brainstem and spinal cord. 30 spinal cord segments divided into four regions. Dorsal root: afferent fibers carrying sensory information to the brain. Ventral root: efferent fibers carrying motor information to the body. Spinal vertebrae are reversed: gray matter on inside (cell bodies are here) white matter on the www. notesolution. com.