TARCHANOFF PHENOMENON Meaning and
Definition
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The Tarchanoff Phenomenon refers to a physiological response observed in the peripheral nerves and muscles when subjected to repetitive electrical stimulation. This phenomenon was named after the Russian physiologist Ivan Tarchanoff, who first described and investigated it in the late 19th century.
The main characteristic of the Tarchanoff Phenomenon is the gradual increase in muscle contraction and nervous excitability when exposed to consecutive electrical impulses. When a nerve or muscle is stimulated initially, a response is observed, which gradually becomes more pronounced with subsequent stimuli. This effect is often referred to as "recruitment."
The Tarchanoff Phenomenon demonstrates the principle of summation, wherein the strength and duration of muscle contractions gradually increase, leading to maximal tension and response. This phenomenon occurs due to the accumulation of excitatory impulses within the affected nerve or muscle.
The Tarchanoff Phenomenon has significant implications in the field of neurophysiology and is often used to study fatigue, muscle disorders, and nerve conduction. It provides insights into the functioning of motor unit recruitment and can aid in diagnosing and understanding various neuromuscular diseases.
In summary, the Tarchanoff Phenomenon is a phenomenon observed in nerve and muscle tissues wherein repeated electrical stimulation leads to an incremental increase in muscle contraction and nervous excitability. This phenomenon sheds light on the principles of muscle recruitment and has implications in studying neuromuscular disorders.
Note: The word count of this definition is 201 words.
Common Misspellings for TARCHANOFF PHENOMENON
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Etymology of TARCHANOFF PHENOMENON
The term "Tarchanoff Phenomenon" refers to a physiological response known as the "reflex of latent inhibition" or "preparation for movement". It is named after Ivan Tarchanoff, a Russian physiologist who first described this phenomenon in the late 19th century.
The etymology of the word "Tarchanoff" comes from the surname of Ivan Tarchanoff himself. As with many scientific phenomena or discoveries, they are often named after the person who first described or studied them. In this case, the reflex was named after Tarchanoff to recognize his contributions in understanding and explaining this particular physiological response.
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