sternocleidomastoid
noun
ster·no·clei·do·mas·toid
| \ ˌstər-nə-ˌklī-də-ˈma-ˌstȯid
\
\
variants:
or sternocleidomastoid muscle
Definition of sternocleidomastoid
: a thick superficial muscle on each side of the neck that 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 and occipital bone, and that acts especially to bend, rotate, flex, and extend the head
— called also sternomastoid
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More Definitions for sternocleidomastoid
sternocleidomastoid
noun
ster·no·clei·do·mas·toid
| \ ˌstər-nō-ˌklīd-ə-ˈmas-ˌtȯid
\
\
Medical Definition of sternocleidomastoid
(Entry 1 of 2)
: a thick superficial muscle on each side that 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 and occipital bone, and that acts especially to bend, rotate, flex, and extend the head
sternocleidomastoid
adjectiveMedical Definition of sternocleidomastoid (Entry 2 of 2)
: of, relating to, supplying, or being a sternocleidomastoid
the sternocleidomastoid artery