Lecture 2 notes

Lecture 2 notes - Lecture 2 I) Nerve Tissue a. Cell Types...

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Lecture 2 I) Nerve Tissue a. Cell Types b. Neuronal Morphology c. Electrical Signals c.i. Action Potentials (AP’s) c.i.1. Conduct long, distance (e.g. along axon) c.ii. Postsynaptic Potential (PSP’s) c.ii.1.a. Localized signals (synopses) c.ii.1.b. Generator Potentials (GP’s) c.ii.1.b.i. In sensory neuron (transduce physical stimuli) d. Types of Connections (synopses) d.i. Cell type: Sensory Neuron [Interneurons]n Motor Neurons effector cells d.ii. Purpose: Detect Sensation Process Info Issue Commands execute commands d.iii. Signal: [GP AP] [PSP AP] [PSP AP] PSP AP effect (contraction or secretion) II) Vertebrate Nervous System Organization a. Central Nervous System (CNS) a.i. Brain(gwg) and Spinal Cord (wgw) a.i.1. White matter a.i.1.a. Axons wrapped with myelin a.i.1.a.i. Makes it look white a.i.2. Grey Matter a.i.2.a. Cell bodies (synapses connection) a.i.2.b. Sites of information processes b. Peripheral Nervous System (PNS) b.i. Sensory (inputs, “afferent”
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Lecture 2 notes - Lecture 2 I) Nerve Tissue a. Cell Types...

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