Definitions for "SCALENUS"
adjective, Greek skalenos = uneven, hence a triangle with unequal sides, an apt description of the shape of scalenus anterior and scalenus medius muscles.
any of four pairs of muscles extending from the cervical vertebrae to the second rib; involved in moving the neck and in breathing
The deep lateral muscles of the anterior neck, including anterior scalene m. (scalenus anticus), middle scalene m. (scalenus medius), and posterior scalene m. (scalenus posticus).