Squid giant axon
Squid Giant Axon
The Squid Giant Axon is a specialized nerve fiber found in the squid species, notable for its large size and unique physiological properties. It has been instrumental in the study of neuroscience, particularly in understanding the mechanisms of action potential.
Anatomy[edit | edit source]
The Squid Giant Axon can reach up to 1mm in diameter, significantly larger than most other neurons. It is a part of the squid's nervous system, specifically the peripheral nervous system, and is responsible for transmitting signals related to the squid's locomotion.
Physiology[edit | edit source]
The Squid Giant Axon operates on the same basic principles as other neurons. It generates an action potential by rapidly changing the voltage across its membrane, facilitated by the movement of sodium and potassium ions. This process is known as depolarization and repolarization.
Research Significance[edit | edit source]
The Squid Giant Axon has been a critical tool in the field of neuroscience due to its large size, which allows for easier manipulation and measurement. It was instrumental in the work of Alan Hodgkin and Andrew Huxley, who used it to formulate the Hodgkin-Huxley model of action potential generation.
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References[edit | edit source]
External Links[edit | edit source]
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Contributors: Prab R. Tumpati, MD
