NEUR30003 Study Guide - Final Guide: Electrical Synapse, Microglia, Varicose Veins

• School: University of Melbourne
• Department: Neuroscience
• Course: NEUR30003
• Professor: Peter

Document Summary

However that stimulus intensity may be represented in the frequency of action potentials: oligodendrocytes provide myelin sheath insulation to the axons of neurons in the. Cns and pns: astrocytes are glial cells that perform numerous metabolic roles in the brain and spinal cord, with the invention of microscopes and staining techniques it was possible to see the structural details of neurons. The numerous branching neurites (axons and dendrites) - sometimes over vast distances; this speaks to their role as communication conduits and as integrators of incoming signals. Chemical synapse is a gap between 2 neurons where info passes chemically, in the form of neurotransmitter molecules. An action potential triggers the presynaptic neuron to release neurotransmitters. These molecules bind to receptors on the postsynaptic cell and make it more likely to fire and action potential. These can turn excitation of one neuron into inhibition of another they are more complex.