Absence of scale.

plural of scalefish

Any fish bearing scales.

(surgery) The severing of a scalene muscle.

plural of Scalera

(anatomy) A muscle arising from the transverse processes of the lower six cervical vertebrae, inserting on the upper surface of the first rib, and functioning to bend the neck forward and laterally and to rotate it to the side.

(anatomy) A muscle arising from the transverse processes of the fourth to sixth cervical vertebrae, inserting on the outer surface of the second rib, and functioning to raise the second rib and to bend and slightly rotate the neck.

(anatomy) A muscle arising from the transverse processes of the third to sixth cervical vertebrae, inserting on the scalene tubercle of the first rib, and functioning to bend the neck forward and laterally and to rotate it to the side.