Tags: Anatomical Structure, Muscle.
Platysma is also a plant taxon synonym with Podochilus an orchid genus.The platysma is a superficial muscle that overlaps the sternocleidomastoid.It is a broad sheet arising from the fascia covering the upper parts of the pectoralis major and deltoid; its fibers cross the clavicle and proceed obliquely upward and medially along the side of the neck.The anterior fibers interlace below and behind the symphysis menti with the fibers of the muscle of the opposite side; the posterior fibers cross the mandible some being inserted into the bone below the oblique line others into the skin and subcutaneous tissue of the lower part of the face.
