関連する実験動画

Updated: Jul 22, 2026

Historical View and Physiology Demonstration at the NMJ of the Crayfish Opener Muscle
11:56

Historical View and Physiology Demonstration at the NMJ of the Crayfish Opener Muscle

Published on: November 9, 2009

Pleurobranchaea の コマンドニューロンは,彼らが刺激するモーターネットワークからシナプスフィードバックを受け取ります

R Gillette, M P Kovac, W J Davis

    Science (New York, N.Y.)
    |February 17, 1978
    PubMed
    まとめ

    研究者らは,Pleurobranchaea californicaのコマンドニューロンを特定し,リズム的な食事行動を制御しています. これらのニューロンは,ニューラルネットワーク内のシナプスフィードバックによって駆動される,栄養とフェーズロックされた周期的な爆発を示します.

    さらに関連する動画

    Membrane Potentials, Synaptic Responses, Neuronal Circuitry, Neuromodulation and Muscle Histology Using the Crayfish: Student Laboratory Exercises16:16

    Membrane Potentials, Synaptic Responses, Neuronal Circuitry, Neuromodulation and Muscle Histology Using the Crayfish: Student Laboratory Exercises

    Published on: January 18, 2011

    Extracellularly Identifying Motor Neurons for a Muscle Motor Pool in Aplysia californica13:37

    Extracellularly Identifying Motor Neurons for a Muscle Motor Pool in Aplysia californica

    Published on: March 25, 2013

    関連する概念動画

    Neuromuscular Junction And Blockade01:29

    Neuromuscular Junction And Blockade

    The site of chemical communication between a motor neuron and a muscle fiber is called the neuromuscular junction (NMJ). The end of the motor neuron at the NMJ divides into a cluster of synaptic end bulbs. The cytoplasm of these bulbs consists of synaptic vesicles enclosing acetylcholine molecules, the principal neurotransmitter released at the NMJ. The region opposite the synaptic bulb that ends in the muscle fiber is called the motor end plate, which has acetylcholine receptors. Within the...
    The Neuromuscular Junction01:19

    The Neuromuscular Junction

    The nervous system consists of complex motor neuron circuits, including upper motor neurons originating from the cerebral cortex and lower motor neurons starting in the spinal cord, coordinating both voluntary and involuntary movements. Among these, somatic motor neurons activate skeletal muscles and are classified into alpha, beta, and gamma types. Alpha neurons are vital for voluntary movement coordination, while gamma neurons adjust muscle spindle sensitivity, and the function of beta...
    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...
    Sympathetic Pathways: Sympathetic Chain Ganglia01:20

    Sympathetic Pathways: Sympathetic Chain Ganglia

    The sympathetic chain ganglia, also known as the sympathetic trunk ganglia or paravertebral ganglia, are a series of ganglia located bilaterally on either side of the spinal column. These ganglia serve as relay stations for the sympathetic nervous system. Preganglionic neurons originating in the spinal cord project their axons to the sympathetic chain ganglia. Within the ganglia, these preganglionic fibers synapse with postganglionic neurons.The postganglionic neurons of the sympathetic trunk...
    Neural Control of Respiration01:18

    Neural Control of Respiration

    The neural regulation of respiration is a meticulously coordinated process primarily controlled by the respiratory centers located within the brainstem. These centers, composed of specialized neurons, transmit nerve impulses that control the contraction and relaxation of our respiratory muscles.
    Respiratory Centers in the Brainstem
    Two primary areas comprise the respiratory center: the medullary respiratory center in the medulla oblongata and the pontine respiratory group in the pons. The...
    Physiology of Respiration II: Neurogenic Control of Respiration01:22

    Physiology of Respiration II: Neurogenic Control of Respiration

    The neurogenic control of respiration coordinates various neural networks and pathways to regulate breathing rate and depth, meeting the body's oxygen and carbon dioxide exchange requirements. This system adapts to physiological and environmental conditions, ensuring optimal breathing patterns.
    Central Control
    The brainstem is the primary site of central control, hosting respiratory centers: