giant axon

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  • They are also a valuable source of giant axons for medical research.
  • Experiments have shown that cutting the giant axons prevents this escape response but does not affect normal movement.
  • They made their discovery from the giant axon of the Atlantic squid.
  • They inserted an internal electrode into the giant axon of a squid and began to apply a current.
  • Much of this work employed the giant axon system of the squid as an experimental model system for molecular and biophysical approaches.
  • This mechanism of action was discovered in squid giant axons.
  • Action potentials travel faster in a larger axon than a smaller one, and squid have evolved the giant axon to improve the speed of their escape response.
  • These latter are the giant axons that the work of Alan Hodgkin and Andrew Huxley made famous.
  • The ganglia also contain two sets of giant axons known as the lateral giant neurons and the medial giant neurons.
  • The most successful and widely used model of neurons, the Hodgkin-Huxley model, is based on data from the squid giant axon.
  • Most annelids' longitudinal nerve trunks include giant axons (the output signal lines of nerve cells).
  • He discovered the squid giant axon and the corresponding squid giant synapse.
  • The first problem was solved by studying the giant axons found in the neurons of the squid genus Loligo.
  • Bigfin reef squids are also valuable sources for squid giant axons used in research in neuroscience and physiology.
  • During this time, Vale visited the Marine Biological Laboratory at Woods Hole so he could study this question in the squid giant axon.
  • This contraction is initiated by action potentials in the giant axon.
  • Through use of voltage clamp techniques on a squid giant axon, they discovered that excitable tissues generally exhibit the phenomenon where a certain membrane potential must be reached in order to fire an action potential.
  • In life, these giant axons are used by the squids to coordinate escape jetting behaviour, enabling the squid to contract its muscles in a split second directly from the brain.
  • Hodgkin and Huxley performed experiments on the giant axon of the squid, and in the process developed a model for sodium channel conductance.
  • The squid giant axon, which is specialized to conduct signals very rapidly, is close to 1 millimetre in diameter, the size of a small pencil lead.
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How giant axon gets used