Platysma is also a plant taxon synonym with Podochilus, an orchid genus.
Platysma muscle
The platysma is visible, with skin removed.
The muscles of the face, platysma visible at bottom right.
Details
Origin
Subcutaneous tissue of infraclavicular and supraclavicular regions
Insertion
Base of mandible; skin of cheek and lower lip; angle of mouth; orbicularis oris
Artery
Branches of the submental artery and suprascapular artery
Nerve
Cervical branch of the facial nerve
Actions
Draws the corners of the mouth inferiorly and widens it (as in expressions of sadness and fright). Also draws the skin of the neck superiorly when teeth are clenched
Antagonist
Masseter muscle, temporalis muscle
Identifiers
Latin
platysma
TA98
A04.2.01.001
TA2
2147
FMA
45738
Anatomical terms of muscle
[edit on Wikidata]
The platysma muscle is a superficial muscle of the human neck that overlaps the sternocleidomastoid. 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.
The platysmamuscle is a superficial muscle of the human neck that overlaps the sternocleidomastoid. It covers the anterior surface of the neck superficially...
It is a potential space located between the mylohyoid muscle superiorly, the platysmamuscle inferiorly, under the chin in the midline. The space coincides...
the integument, superficial fascia, the platysmamuscle, deep cervical fascia, the sternocleidomastoid muscle, the sternohyoid, sternothyroid, and the...
facilitate chewing of plant matter. The most obvious muscle of mastication is the masseter muscle, since it is the most superficial and one of the strongest...
cutaneous nerves of cervical plexus and the external jugular vein and platysmamuscle. A chain of lymph glands is also found running along the posterior...
superficial fascia, the platysmamuscle, the deep cervical fascia, the sternocleidomastoid muscle, and the scalenus anterior muscle. On the right side of...
the neck. It is a branch of the facial nerve (VII). It supplies the platysmamuscle, among other functions. The cervical branch of the facial nerve is...
side. The buccal space is superficial to the buccinator muscle and deep to the platysmamuscle and the skin. The buccal space is part of the subcutaneous...
temporalis muscle, also known as the temporal muscle, is one of the muscles of mastication (chewing). It is a broad, fan-shaped convergent muscle on each...
posteriorly by the trapezius, and anteriorly by the platysmamuscle. The anterior and middle scalene muscles can be involved in certain forms of thoracic outlet...
zygomatic arch) and galea.[citation needed] It becomes continuous with the platysmamuscle inferiorly (inferior to the inferior border of the mandible), and indistinct...
striated muscle deep to the panniculus adiposus. In humans, the platysmamuscle of the neck, palmaris brevis in the hand, and the dartos muscle in the scrotum...
the orbicularis oris muscle around 2 cm wide. At its origin, depressor labii is continuous with the fibers of the platysmamuscle. Some yellow fat is intermingled...
origin, it is continuous with the platysmamuscle, and at its insertion with the orbicularis oris muscle and risorius muscle. Some of its fibers are directly...
the platysmamuscle and the deep cervical fascia.[citation needed] Near the clavicle, the supraclavicular nerves perforate the fascia and the platysma muscle...
This is a table of skeletal muscles of the human anatomy, with muscle counts and other information. Skeletal muscle maps Anterior view Posterior view...
external jugular vein upon that sternocleidomastoid muscle beneath the platysmamuscle to the parotid gland. Upon reaching the parotid gland, it divides into...
penetrating neck injury (PNI), classified by violation of the platysmamuscle. If the platysma is intact, the wound is considered superficial and only requires...
external carotid artery is covered by the skin, superficial fascia, platysmamuscle, deep fascia, and anterior margin of the sternocleidomastoid; it is...
muscle Mentalis The platysma is supplied by the facial nerve. Although it is mostly in the neck and can be grouped with the neck muscles by location, it can...
abbreviated Kocher incision is made and the platysmamuscle is dissected horizontally. The strap muscles are released off of the thyroid gland. Then the...
masseteric fascia, the fascia enveloping the pars modiolaris of the platysmamuscle, fascia overlying the mastoid part of temporal bone, and/or the zygomatic...
digastric muscle. The roof is formed by: Integument, Superficial fascia, Platysma, Deep fascia. The floor is formed by (parts of) the: Thyrohyoid membrane...
forward forming a series of arches over the suprahyoid region to the platysmamuscle. Snell, Richard S. (2007). Clinical anatomy by systems. Hagerstwon...
each submandibular space are: the mylohyoid muscle superiorly, the skin, superficial fascia, platysmamuscle and superficial layer of the deep cervical...