Glia and Neurons
by Hybrid Medical Animation
Title
Glia and Neurons
Artist
Hybrid Medical Animation
Medium
Photograph - Illustration
Description
Glia and neurons function together in the spinal cord and brain. A neuron transmits a signal via a long axon and across a synaptic gap to a dendrite of another neuron. Astrocyte glia surround and regulate synapses and supply neurons with nutrients. The myelin sheath that insulates axons is produced by oligodendrocyte glia. When a neuron's action potential reaches the axon terminal, it causes vesicles to move to the membrane and open. This releases signaling molecules called neurotransmitters which diffuse across a synaptic cleft to receptors on the dendrite.
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March 25th, 2013
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