sternocleidomastoid : Idioms & Phrases
sternocleidomastoid muscle
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noun one of two thick muscles running from the sternum and clavicle to the mastoid and occipital bone; turns head obliquely to the opposite side; when acting together they flex the neck and extend the head
sternocleidomastoid; sternocleido mastoideus; musculus sternocleidomastoideus.
WordNet
sternocleidomastoid vein
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noun drains the sternocleidomastoid muscle; empties into the internal jugular vein
vena sternocleidomastoidea.
