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It was suggested that the muscular fibers from the axillary arch were innervated by the same , well - defined spinal area , independent of the muscle from which they originate .
 muscular fibers, axillary arch, spinal area, muscle
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 muscular fibers, axillary arch, spinal area, muscle