Lexic.us

Definition of Platysma

1. Noun. Either of two broad muscles located on either side of the neck and innervated by the facial nerve; extends from lower jaw to clavicle and is involved in moving the mouth and jaw.

Definition of Platysma

1. Noun. (anatomy) A muscle in the neck ¹

¹ Source: wiktionary.com

Definition of Platysma

1. a neck muscle [n -S]

Medical Definition of Platysma

1. Origin, subcutaneous layer and fascia covering pectoralis major and deltoid at level of first or second rib; insertion, lower border of mandible, risorius and platysma of opposite side; action, depresses lower lip, forms ridges in skin of neck and upper chest when jaws are "clenched", denoting stress, anger; nerve supply, cervical branch of facial. Synonym: platysma, musculus platysma myoides, musculus platysma, musculus subcutaneus colli, musculus tetragonus. (05 Mar 2000)

Lexicographical Neighbors of Platysma

Literary usage of Platysma

Below you will find example usage of this term as found in modern and/or classical literature:

1. Anatomy: Descriptive and Surgical by Henry Gray, Thomas Pickering Pick (1897)
"Beneath the platysma the external jugular vein may be seen descending from ... It is essential to remember the direction of the fibres of the platysma in ..."

2. Anatomy of the Human Body by Henry Gray (1918)
"Beneath the platysma, the external jugular vein descends from the angle of the ... The platysma is supplied by the cervical branch of the facial nerve. ..."

3. Anatomy, Descriptive and Applied by Henry Gray (1913)
"At its origin it is continuous with the fibres of the platysma. Much yellow fat is intermingled with the fibres of this muscle. ..."

4. The Expression of the Emotions in Man and Animals by Charles Darwin (1904)
"... accompanying surprise —Admiration—Fear—Terror—Erection of the hair—Contraction of the platysma muscle—Dilatation of the pupils—Horror— Conclusion. ..."

5. Diseases of the Thyroid Gland by Arthur Emanuel Hertzler, Victor Ernest Chesky (1922)
"They are readily seen shimmering through the fascia as soon as the skin, subcutaneous fat, and platysma have been severed. There is usually a short branch ..."

6. The Dissectors' Manual of Practical and Surgical Anatomy by Erasmus Wilson (1854)
"On raising the platysma throughout its whole extent, the s'erno-mastoid is brought into view. The STERNO-CLEIDO-MASTOID is the large oblique muscle of ..."

7. Anatomy: Descriptive and Surgical by Henry Gray, Thomas Pickering Pick (1897)
"Beneath the platysma the external jugular vein may be seen descending from ... It is essential to remember the direction of the fibres of the platysma in ..."

8. Anatomy of the Human Body by Henry Gray (1918)
"Beneath the platysma, the external jugular vein descends from the angle of the ... The platysma is supplied by the cervical branch of the facial nerve. ..."

9. Anatomy, Descriptive and Applied by Henry Gray (1913)
"At its origin it is continuous with the fibres of the platysma. Much yellow fat is intermingled with the fibres of this muscle. ..."

10. The Expression of the Emotions in Man and Animals by Charles Darwin (1904)
"... accompanying surprise —Admiration—Fear—Terror—Erection of the hair—Contraction of the platysma muscle—Dilatation of the pupils—Horror— Conclusion. ..."

11. Diseases of the Thyroid Gland by Arthur Emanuel Hertzler, Victor Ernest Chesky (1922)
"They are readily seen shimmering through the fascia as soon as the skin, subcutaneous fat, and platysma have been severed. There is usually a short branch ..."

12. The Dissectors' Manual of Practical and Surgical Anatomy by Erasmus Wilson (1854)
"On raising the platysma throughout its whole extent, the s'erno-mastoid is brought into view. The STERNO-CLEIDO-MASTOID is the large oblique muscle of ..."

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