HK 2810 Lecture Notes - Golgi Tendon Organ, Autonomic Nervous System, Sensory Neuron

• School: University of Guelph
• Department: Human Kinetics
• Course: HK 2810
• Professor: Coral Murrant

Document Summary

General flow of information cns brain and spinal cord. External environment and where you are in it. General concepts the cns is built on: changes in conductance and current flow, fundamental unit is the action potential, all neurons are not created equal, graded potentials, spontaneous depolarizers, directionality, synapse, principles of comunication - Built from 2 cell types: neurons, glial cells, glial cells: non-neuronal cells of the cns. Oligodendrocytes (schwann cells of the cns), astrocytes, microglial cells, satellite cells: support structure for the brain, oligodendrocytes, control neural environment, phagocytic, critical role in the blood brain barrier, principles of comunication - Organization of nerves optimized for a) segregation and b) integration: principles of comunication - Primary visual area: principles of comunication - G - ganglion cell: principles of comunication - Photon rhodopsin - absorbs light transducin (g protein) cgmp phosphodiesterase cgmp 5"gmp (cid:112) cgmp (cid:112) na+ channels open hyperpolarisation (cid:112) neutotransmitter release (glutamate)