Dissection and Isolation of a frogs CNS
Dissection of an adult bullfrog's central nervous system (CNS)
Experiment consists of the dissection and analyzation of a bullfrog’s nervous system. Dissection consists of the isolation of the CNS consisting of the brain and spinal cord. It also consists of analyzing the nervous tissue under the microscope.
Materials needed: frog, scalpel, razor blade, dissecting tray, pins, forceps, scissors, microscope, slides, slide covers, water, blue dye, diagram of frog’s brain, paper towel.
The bullfrog’…
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…nerve fibers and in some cases it contained vascular tissues distinguishable by the small capillaries. The tissue felt smooth and rubbery. It was somewhat soft yet firm. Based on my observations from the microscope I saw how the soma and dendrites and axons all went together to form nervous tissue.
Bibliography
http://k-2.stanford.edu/creatures/InfoFrames/CNS.1.1.html - various information
http://www.neurocomputing.org/comparative_neuroanatomy.htm - picture of frog’s brain
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