Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Serratus

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

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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