関連する実験動画

Updated: Jul 12, 2026

Use of In Vivo Single-fiber Recording and Intact Dorsal Root Ganglion with Attached Sciatic Nerve to Examine the Mechanism of Conduction Failure
09:34

Use of In Vivo Single-fiber Recording and Intact Dorsal Root Ganglion with Attached Sciatic Nerve to Examine the Mechanism of Conduction Failure

Published on: August 27, 2019

節足類における"巨大"アフェレントプロセスの上の分泌伝導

D H Paul

    Science (New York, N.Y.)
    |May 12, 1972
    PubMed
    まとめ

    研究者らは,砂の独特な感覚神経細胞を発見し,それは,アクションポテンシャルではなく,等級ポテンシャルを使用してストレッチ反射を媒介する. これらの発見は,関節足類における新しいメカニカル受容体細胞を明らかにしています.

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    関連する概念動画

    Action Potentials01:41

    Action Potentials

    Overview
    Action Potential01:14

    Action Potential

    Neurons communicate by firing action potentials—the electrochemical signal that is propagated along the axon. The signal results in the release of neurotransmitters at axon terminals, thereby transmitting information to the nervous system. An action potential is a specific "all-or-none" change in membrane potential that results in a rapid spike in voltage.
    Membrane potential in neurons
    Neurons typically have a resting membrane potential of about -70 millivolts (mV). When they receive...
    Action Potential01:14

    Action Potential

    Neurons communicate by firing action potentials—the electrochemical signal that is propagated along the axon. The signal results in the release of neurotransmitters at axon terminals, thereby transmitting information to the nervous system. An action potential is a specific "all-or-none" change in membrane potential that results in a rapid spike in voltage.
    Membrane potential in neurons
    Neurons typically have a resting membrane potential of about -70 millivolts (mV). When they receive...
    Propagation of Action Potentials01:23

    Propagation of Action Potentials

    The propagation of an action potential refers to the process by which a nerve impulse, or "action potential," travels along a neuron.
    Neurons (nerve cells) have a resting membrane potential, with a slightly negative charge inside compared to outside. This is maintained by ion channels, such as sodium (Na+) and potassium (K+) channels, which control the flow of ions. When a stimulus, like a touch or a signal from another neuron, triggers the neuron, sodium channels open, allowing sodium ions to...
    Spinal Cord: Information Processing01:10

    Spinal Cord: Information Processing

    The spinal cord is an integral hub for motor and sensory information that enables the brain to communicate with the peripheral nervous system (PNS). This communication consists of relaying sensory data and transmission of motor commands.
    Sensory Information Processing
    Sensory information processing begins at the sensory receptors located in the skin and other tissues, which detect somatic sensory stimuli such as touch, temperature, or pain. These receptors function as catalysts, initiating...