sternocleidomastoid

[ stur-noh-klahy-duh-mas-toid ]

/ ˌstɜr noʊˌklaɪ dəˈmæs tɔɪd /

Anatomy

adjective

of, relating to, or involving the sternum, the clavicle, and the mastoid process.

noun

a thick muscle on each side of the neck, the action of which assists in bending the head and neck forward and sideways.

Origin of sternocleidomastoid

1820–30; sterno- + Greek kleido-, combining form of kleís key, clavicle + mastoid

Words nearby sternocleidomastoid

sternite, sternmost, Sterno, sternoclavicular, sternoclavicular angle, sternocleidomastoid, sternocleidomastoid vein, sternocostal, sternocostal ligament, sternodynia, sternohyoid

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for sternocleidomastoid

sternocleidomastoid

[ stûr′nō-klī′də-măs′toid ]

adj.

Relating to or characterizing the sternum, the clavicle, and the mastoid process.

n.

A muscle with origin from the anterior surface of the episternum and from the sternal end of the clavicle, with insertion into the mastoid process and the superior nuchal line, with nerve supply from the accessory nerve, and whose action turns the head obliquely to the opposite side and flexes the neck and extends the head when both sides act together.sternomastoid

单词	sternocleidomastoid
释义	sternocleidomastoid [ stur-noh-klahy-duh-mas-toid ] / ˌstɜr noʊˌklaɪ dəˈmæs tɔɪd / Anatomy adjective of, relating to, or involving the sternum, the clavicle, and the mastoid process. noun a thick muscle on each side of the neck, the action of which assists in bending the head and neck forward and sideways. Origin of sternocleidomastoid 1820–30; sterno- + Greek kleido-, combining form of kleís key, clavicle + mastoid Words nearby sternocleidomastoid sternite, sternmost, Sterno, sternoclavicular, sternoclavicular angle, sternocleidomastoid, sternocleidomastoid vein, sternocostal, sternocostal ligament, sternodynia, sternohyoid Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Medical definitions for sternocleidomastoid sternocleidomastoid [ stûr′nō-klī′də-măs′toid ] adj. Relating to or characterizing the sternum, the clavicle, and the mastoid process. n. A muscle with origin from the anterior surface of the episternum and from the sternal end of the clavicle, with insertion into the mastoid process and the superior nuchal line, with nerve supply from the accessory nerve, and whose action turns the head obliquely to the opposite side and flexes the neck and extends the head when both sides act together.sternomastoid The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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