sternocleidomastoid muscle
English
Alternative forms
- sternocleidomastoid, sternocleidomastoideus
Noun
sternocleidomastoid muscle (plural sternocleidomastoid muscles)
- (anatomy) A long thick superficial muscles on each side of the anterior neck which arises by one head from the first segment of the sternum and by a second from the inner part of the clavicle, that inserts into the mastoid process of the temporal bone and that acts especially to bend, flex, rotate and extend the head.
- Synonyms: sternomastoid muscle, sternomastoid
Translations
muscle
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References
- “sternocleidomastoid”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
- “sternocleidomastoid”, in Merriam-Webster Online Dictionary