Basic Neural Structures and Systems

Basic Neural Structures and Systems - PSB3340 10 January...

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Unformatted text preview: PSB3340 10 January 2008 Extra credit opportunity: Olfactory research study in Professor Smith's lab Office hours are by appointment Minutia : trivial or minute detail- This course is designed to teach the general idea and give an intuitive understanding of the subject.- Exams tend to avoid minutia Peripheral and Central Nervous System Central Nervous System (CNS): refers to NS within the spinal column and skull- essentially, the bundle of neural tissue and structures withing the brain case and spinal column Peripheral Nervous System (PNS): refers to NS outside (peripheral to) the skull and spinal column- everything else that exists outside the skull and spinal column Myelin behaves differently in the CNS and PNS.- In the PNS, myelin will repair damaged nerves.- In CNS, myelin will cap off damaged nerves so they become unusable. Neurons: specialized cells withing the nervous system- convey information about environment to brain (sensory neurons)- control muscle action/movement (motor neurons)- facilitate interactions within CNS (interneurons) Afferent fibers carry information from the periphery to the brain. (sensory neurons) Efferent fibers carry information from the brain to the body. (motor neurons) Interneurons allow interactions between different types of neurons....
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Basic Neural Structures and Systems - PSB3340 10 January...

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