platysma

(redirected from Platysma muscle)
Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Related to Platysma muscle: Scalene muscles, Strap muscles, Cervical muscles

platysma

[plə′tiz·mə]
(anatomy)
A subcutaneous muscle of the neck, extending from the face to the clavicle; muscle of facial expression.
References in periodicals archive ?
The lower part is covered by skin, subcutaneous tissue, platysma muscle, and an investing layer of deep cervical fascia.
It passes deep into the platysma muscle and lateral to the posterior facial vein and the investing layer of the deep cervical fascia.
The incision is made through the skin, subcutaneous tissue, and platysma muscle to expose the gland (figure 3).
Only five IPEH patients have been reported to have an anterior neck mass; one was in the external jugular vein, [17] one in the vasculature beneath the platysma muscle, [18] and three in organizing hematomas of the thyroid gland.
During the sixth and seventh weeks following fertilization, the frontal, auricular, occipital, and platysma muscles are derived from the primordial superficial muscle sheet.