lab 7 outline - Melissa Murano March 11 Lab 7 Sec R3 I II...

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Melissa Murano March 11; Lab 7 Sec. R3 I. Anatomy of the PNS a. Obtain a slide of a cross section of a spinal cord and use the figure 1 b. Identify the roots of the spinal nerve, the dorsal root of the spinal nerve, ganglia, ventral root of the spinal nerve, the central canal, grey and white matter c. Obtain a peripheral nerve slide (shows cross sections of nerves in PNS) d. Can view axons and hundreds of dark circles (myelin sheath) e. Obtain a medullated nerve fiber slide (longitudinal, side view) f. Follow length of neuron till see a valley in myelin: nodes of ranvier i. Help increase speed of impulses g. Obtain an motor nerve endings slide (neuron connects to muscle fibers) h. Axon will end in pad or plate (motor nerve ending) i. Neurotransmitters released after impulses reach endings (contraction) i. Obtain a dissected sheep eye (complex sensory receptor) j. Use figure 2, eye model and slide to identify the sclera, cornea, choroid, iris, rods, and cones in the sagittally sectioned sheep eye
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This note was uploaded on 04/05/2008 for the course CHEM 161, 101 taught by Professor Hansell during the Spring '08 term at Rutgers.

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lab 7 outline - Melissa Murano March 11 Lab 7 Sec R3 I II...

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