sternocleidomastoid_muscle

Words with a similar base: sternocleidomastoid_muscle

'sternocleidomastoid_muscle'

[sternocleidomastoid.n.01] as in: 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