Bells respiratory nerve

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Bells respiratory nerve --> long thoracic nerve

(Science: anatomy, nerve) arises from the fifth, sixth, and seventh cervical nerves (roots of brachial plexus), descends the neck behind the brachial plexus, and is distributed to the serratus anterior muscle; it is somewhat unusual in that it courses on the superficial aspect of the muscle is supplies; its paralysis results in winged scapula.

Synonym: nervus thoracicus longus, bells respiratory nerve, external respiratory nerve of bell, posterior thoracic nerve.