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Physiology

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Central Nervous System

Question
13 out of 20
 

A person with intractable pain over the right leg is benefited by:



A Right spinothalamic tract cordectomy

B Left Spinothalamic tract cordectomy

C Right hemicordectomy

D Left hemicordectomy

Ans. B Left Spinothalamic tract cordectomy

I. Spinothalamic tract

a. Touch sensation - by ventral spinothalamic tract Q

b. Pain and temperature - by lateral spinothalamic tract Q

II. Fibers of spinothalamic tract cross in the anterior commissure of the cord to the opposite Q

III. That is why, intractable pain over the right leg is benefited by left spino thalamic tract cordectomy.

Central Nervous System Flashcard List

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