platysma


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Related to platysma: sternocleidomastoid

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 effect of the crosstalk between the left platysma and trapezius EMG signals (controlling left and upward motions, respectively) can also be seen in the more erratic traces in the upper-left portion of the figure.
Of 18 samples, all presented a facial artery path from the basilar edge toward the oral commissure and was very tortuously covered by platysma muscle fascicles and muscles that make up the modeolus, near the oral commissure and zygomatic muscles in a superior segment.
This also softens the look of vertical banding caused by the platysma muscle that is often so pronounced in aging necks, and also helps minimize those visible folds and creases.
These include cutaneous branches of the cervical plexus supplying the skin overlying the posterior triangle; the platysma and omohyoid muscles; the spinal accessory nerve, which innervates the SCM and trapezius muscles; the deep cervical lymph nodes; the brachial plexus; and numerous arteries and veins--prominent is the external jugular vein (see Figure 2).
After careful draping and preparation of the operative site, an incision was made inferior and parallel to the left clavicle and carried deep to the platysma muscle.
Junior 7 & 8 tongue throat stomach sternum radius thigh kidney eardrum enamel trachea bronchi muscle shoulder tissue plasma Advanced 9 & 10 scapula mandible stapes incus tarsus maxilla carpals bicuspid masseter hyoid carotid lacrimal jugular thyroid cerebrum parietal temporal occipital Super 11 & 12 vertebra pituitary alveoli eustachian tube sphenoid incisor canine platysma buccinator tropezius maxillary sinus sternocleidomastoid metatarsals trochlea mental foramen
With injections into the platysma muscle, difficulty in swallowing and changes in vocal pitch may occur.
He actually called the extensor plantar reflex "the great toe sign," and what he called the Babinski sign was the failure of the platysma muscle to contract on the side of a hemiparesis.
It seems that none of the tinkerings that cosmetic surgeons perform on the platysma muscle in the neck can be relied on to last.
mitochondrion coccyx hypothalamus sebum thalamus metacarpals phalanges insula intercilium xiphoid calcaneus peroneus epicondyle diencephalon brachioradialis thyrohyoideum cholangioles platysma gastrocnemius
On all four patients, Cook performed laser resurfacing of the dermal surfaces of the skin and the platysma muscle -- an inherently dangerous and experimental procedure which was performed without the appropriate controls such as an institutional review board and/or clinical study, and without adequate consent by the patients.
Patient was induced with general anaesthesia positioned in beach chair position; 7-8 cm of incision was taken over the clavicle after stretching the skin proximally, centring over the fracture; subcutaneous tissue, fascia and platysma were dissected; fracture was exposed and muscles were elevated from the periosteum, fracture reduced and stainless steel precontoured anatomical plates were used to fix the fracture with min 3 no, 3.