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A receptor potential, also known as a generator potential, a type of graded potential, is the transmembrane potential difference produced by activation of a sensory receptor. A receptor potential is often produced by sensory transduction. It is generally a depolarizing event resulting from inward current flow. The influx of current will often bring the membrane potential of the sensory receptor towards the threshold for triggering an action potential. Receptor potential can work to trigger an action potential either within the same neuron or on an adjacent cell. Within the same neuron, a receptor potential can cause local current to flow to a region capable of generating an action potential by opening voltage gated ion channels. A receptor potential can also cause the release of neurotrans

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  • Rezeptorpotential (de)
  • Potensial reseptor (in)
  • Receptor potential (en)
  • Рецепторний потенціал (uk)
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  • Potensial reseptor adalah reseptor indra. Reseptor potensial sering diproduksi oleh . Umumnya reseptor potensial berdepolarisasi. Gelombang arus akan membawa reseptor indra ke ambang untuk menggerakan potensial aksi. (in)
  • Рецепторний потенціал — зміна мембранного потенціалу, яка виникає в рецепторі під дією зовнішнього стимулу, різновид . Якщо рецепторний потенціал виникає в сенсорному нервовому волокні, то накопичення потенціалів досягає порогу, після якого виникає нервовий імпульс. Якщо рецепторний потенціал виникає у спеціалізованій клітині, то він призводить до виділення нейромедіатору в синаптичну щілину та до збудження нейрону. (uk)
  • Das Rezeptorpotential (lateinisch receptor ‚Aufnehmer‘, ‚Empfänger‘ und lateinisch potentialis ‚nach Vermögen‘, ‚tätig wirkend‘) oder auch Generatorpotential ist die Änderung des Membranpotentials der Rezeptorzelle auf einen Reiz, die graduell erfolgt und über die Amplitude der Potentialänderung charakterisiert ist. Die von dem Rezeptor aufgenommene und anschließend im Rezeptorpotential befindende Information wird in Aktionspotentiale umgewandelt und an das Zentralnervensystem übermittelt. Dort kommt es zur Informationsfortleitung über Salven von Aktionspotentialen. (de)
  • A receptor potential, also known as a generator potential, a type of graded potential, is the transmembrane potential difference produced by activation of a sensory receptor. A receptor potential is often produced by sensory transduction. It is generally a depolarizing event resulting from inward current flow. The influx of current will often bring the membrane potential of the sensory receptor towards the threshold for triggering an action potential. Receptor potential can work to trigger an action potential either within the same neuron or on an adjacent cell. Within the same neuron, a receptor potential can cause local current to flow to a region capable of generating an action potential by opening voltage gated ion channels. A receptor potential can also cause the release of neurotrans (en)
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  • Das Rezeptorpotential (lateinisch receptor ‚Aufnehmer‘, ‚Empfänger‘ und lateinisch potentialis ‚nach Vermögen‘, ‚tätig wirkend‘) oder auch Generatorpotential ist die Änderung des Membranpotentials der Rezeptorzelle auf einen Reiz, die graduell erfolgt und über die Amplitude der Potentialänderung charakterisiert ist. Die von dem Rezeptor aufgenommene und anschließend im Rezeptorpotential befindende Information wird in Aktionspotentiale umgewandelt und an das Zentralnervensystem übermittelt. Dort kommt es zur Informationsfortleitung über Salven von Aktionspotentialen. Einige Autoren unterscheiden zwischen Rezeptorpotential und Generatorpotential. Eine Depolarisation in der Membran eines primären Sinneszelle wird Generatorpotential genannt, ein Rezeptorpotential wird hingegen in der Membran einer sekundären Sinneszelle hervorgerufen. (de)
  • Potensial reseptor adalah reseptor indra. Reseptor potensial sering diproduksi oleh . Umumnya reseptor potensial berdepolarisasi. Gelombang arus akan membawa reseptor indra ke ambang untuk menggerakan potensial aksi. (in)
  • A receptor potential, also known as a generator potential, a type of graded potential, is the transmembrane potential difference produced by activation of a sensory receptor. A receptor potential is often produced by sensory transduction. It is generally a depolarizing event resulting from inward current flow. The influx of current will often bring the membrane potential of the sensory receptor towards the threshold for triggering an action potential. Receptor potential can work to trigger an action potential either within the same neuron or on an adjacent cell. Within the same neuron, a receptor potential can cause local current to flow to a region capable of generating an action potential by opening voltage gated ion channels. A receptor potential can also cause the release of neurotransmitters from one cell that will act on another cell, generating an action potential in the second cell. The magnitude of the receptor potential determines the frequency with which action potentials are generated, and is controlled by adaption, stimulus strength, and temporal summation of successive receptor potentials. Receptor potential relies on receptor sensitivity which can adapt slowly, resulting in a slowly decaying receptor potential or rapidly, resulting in a quickly generated but shorter lasting receptor potential. An example of a receptor potential is in a taste bud, where taste is converted into an electrical signal sent to the brain. When stimulated, the taste bud triggers the release of neurotransmitter through exocytosis of synaptic vesicles from the presynaptic membrane. The neurotransmitter molecules diffuse across the synaptic cleft to the postsynaptic membrane of the primary sensory neuron, where they elicit an action potential. (en)
  • Рецепторний потенціал — зміна мембранного потенціалу, яка виникає в рецепторі під дією зовнішнього стимулу, різновид . Якщо рецепторний потенціал виникає в сенсорному нервовому волокні, то накопичення потенціалів досягає порогу, після якого виникає нервовий імпульс. Якщо рецепторний потенціал виникає у спеціалізованій клітині, то він призводить до виділення нейромедіатору в синаптичну щілину та до збудження нейрону. (uk)
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