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Medical Definition of Phrenic nucleus
1. A nucleus comprised of motor neurons located in medial areas of the ventral horn of the spinal cord from about C3 to C6; axons of neurons in this nucleus innervate the diaphragm. (05 Mar 2000)
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1. A nucleus comprised of motor neurons located in medial areas of the ventral horn of the spinal cord from about C3 to C6; axons of neurons in this nucleus innervate the diaphragm. (05 Mar 2000)