Medical Definition of Serratus

Serratus: One of several muscles of the back and thorax. that have interdigitating slips that ressemble the notches on the cutting edge of a saw. (Serrated refers to a finely notched edge.)

See also: Serratus anterior; Serratus magnus; Serratus posterior inferior; Serratus posterior superior.

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Reviewed on 9/7/2018