serratus posterior superior (muscle)
Definition: upper intermediate muscle of back; origin, from spinous processes of two lower cervical and two upper thoracic vertebrae; insertion, into lateral side of angles of second to fifth ribs; nerve supply, first to fourth intercostals.
Synonym(s): musculus serratus posterior superiorTA, superior posterior serratus muscle
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Examples: glitazone, GI cocktail, etc.