Receptor, illustration

Receptor, illustration

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Credit: JACOPIN/SCIENCE PHOTO LIBRARY

Caption: Voltage-dependent ion channel. The fixation of a particular molecule (represented by the key) on the membranous protein-canal causes a conformational change of the latter (see. image 5606906). This leads to the opening of the channel, that leaves the ions penetrate into the cell. Here, representation of a chemoreceptor containing a sodium channel. The massive entrance of sodium ions causes a voltage difference between the outside (at the top) and the inside of the cell, creating a depolarization and thereby an electrical current. The chemical signal (ions Na+) has been transformed into an electric signal (nerve impulse).

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Keywords: artwork, biochemistry, biology, cell, cell membrane, chemoreceptor, communication, cytology, cytoplasm, depolarization, health, ion, ion channels, medicine, membrane, membrane receptor, membranous protein, nerve impulse, nervous system, neurology, neuron, peripheral nervous system, protein, receptor, red, science, sciences, sensory receptor, sodium, sodium channel, stimulation, transformation, transmission

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