Definitions

from The Century Dictionary.

  • Innervating a muscle and winding spirally around a bone: specifically applied to the largest branch of the brachial plexus, which winds around the humerus in company with the superior profunda artery, and supplies the muscles of the back part of the arm and forearm and the skin of the same part.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective (Anat.) Of or pertaining to the muscles, and taking a spiral course; -- applied esp. to a large nerve of the arm.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective anatomy Of or pertaining to the muscles, and taking a spiral course; applied especially to a large nerve of the arm.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin musculus muscle + English spiral.

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Examples

  • The posterior brachial cutaneous nerve (n. cutaneus brachii posterior; internal cutaneous branch of musculospiral) arises in the axilla, with the medial muscular branch.

    IX. Neurology. 6b. The Anterior Divisions 1918

  • The dorsal antibrachial cutaneous nerve (n. cutaneus antibrachii dorsalis; external cutaneous branch of musculospiral) perforates the lateral head of the Triceps brachii at its attachment to the humerus.

    IX. Neurology. 6b. The Anterior Divisions 1918

  • The Radial Nerve (n. radialis; musculospiral nerve) (Fig. 818), the largest branch of the brachial plexus, is the continuation of the posterior cord of the plexus.

    IX. Neurology. 6b. The Anterior Divisions 1918

  • Its upper half is rounded and indistinctly marked, serving for the attachment of the lower part of the insertion of the Teres minor, and below this giving origin to the lateral head of the Triceps brachii; its center is traversed by a broad but shallow oblique depression, the radial sulcus (musculospiral groove).

    II. Osteology. 6a. 3. The Humerus 1918

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