L15-2010 - BioNB222 Cornell University Spring 2010 Andrew...

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BioNB222 Spring 2010 Cornell University Andrew Bass Lecture 15: Early development of the nervous system Reading Assignment Purves, D. , Augustine, G. J., Fitzpatrick, Hall, W.C. LaMantia, A.-S., McNamara, J.O. and White, L. E. (2008) Neuroscience. Sinauer Associates, Inc. Sunderland, Mass. Chapter 22 ( P: indicates that figure is in Purves textbook ). Some figures are from Bear et al., Neuroscience, Exploring the Brain. Learning Objective : Identify the anatomical events that lead to the formation of an adult nervous system from a plate of ectoderm. Lecture Outline A. TWO NERVOUS SYSTEMS: The nervous system of all vertebrates (fish, amphibians, reptiles, birds and mammals) is divided into the Central Nervous System or CNS and the Peripheral Nervous System or PNS ( P - Fig. 1.10 ). 1. The CNS includes the brain and spinal cord.
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Spring 2010 Cornell University Andrew Bass 2. The PNS includes all parts of the nervous system that are outside of the CNS , for example NERVES that transmit information to the CNS about the status of your internal world (inside your body) and your external world (outside your body). The PNS includes clusters of cell bodies that form GANGLIA (plural for ganglion) (see above, Fig. 1.9, Bear et al.). 3.
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L15-2010 - BioNB222 Cornell University Spring 2010 Andrew...

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