Computer art of synaptic knob between nerve cells

Computer art of synaptic knob between nerve cells

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Credit: ALFRED PASIEKA/SCIENCE PHOTO LIBRARY

Caption: Synapse. Computer graphic of a synaptic knob (upper centre) which is the junction between two nerve cells. The pink and green shapes inside the knob are vesicles. When an electrical impulse reaches the synapse the vesicles burst through the cell membrane (exocytosis). They then release chemicals called neurotransmitters (pink spheres at lower centre). The neurotransmitters will then cross the synaptic cleft which is the gap between the two cells. When they reach the receptor cell they will bind to the cell. There they will trigger an electrical impulse in the receptor cell. Information is transmitted along the nervous system in this manner.

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Keywords: anatomy, artwork, cells, computer gra, exocytosis, graphic, human body, nerve cell, nervous, neurone, neurotransmitter, site of, synapse, synaptic knob, synaptic vesicle, system

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