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Physiology

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Central Nervous System

Question
7 out of 18
 

Primary motor area for shivering is:



A Dorsomedial posterior hypothalamus

B Ventromedial anterior hypothalamus

C Red nucleus

D Motor cortex

Ans. A Dorsomedial posterior hypothalamus
  1. Primary motor center for shivering is located in the DORSOMEDIAL PORTION OF POSTERIOR HYPOTHALAMUS near the wall of third ventricle.
  2. This area is excited by cold signals from skin and spinal cord and inhibited by signals by heat centers Q from hypothalamus.
  3. During maximum shivering body heat production raises about five times the normal. Q

Central Nervous System Flashcard List

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