Platysma muscle
Human neck muscle
Platysma muscle
The platysma muscle or platysma is a superficial muscle of the human neck that overlaps the sternocleidomastoid muscle. It covers the anterior surface of the neck superficially. When it contracts, it produces a slight wrinkling of the neck, and a "bowstring" effect on either side of the neck.
Read on Wikipedia · Image Dr. Johannes Sobotta, Public domain
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