scalenus medius (muscle)

sca·le·nus me·di·us (mus·cle)

[TA]

lateal muscle of inferior half of neck; origin, costotransverse lamellae of transverse processes of second to sixth cervical vertebrae; insertion, first rib posterior to subclavian artery; action, raises first rib; nerve supply, cervical plexus.

Synonym(s): musculus scalenus medius [TA], middle scalene muscle ☆

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