Function
The nerve functions to control the sternocleidomastoid and trapezius muscles. The thoracic branches of the spinal accessory nerve are matched to vagal innervation in early embyrologic development of the mammalian heart.
Read more about this topic: Accessory Nerve
Famous quotes containing the word function:
“As a medium of exchange,... worrying regulates intimacy, and it is often an appropriate response to ordinary demands that begin to feel excessive. But from a modernized Freudian view, worrying—as a reflex response to demand—never puts the self or the objects of its interest into question, and that is precisely its function in psychic life. It domesticates self-doubt.”
—Adam Phillips, British child psychoanalyst. “Worrying and Its Discontents,” in On Kissing, Tickling, and Being Bored, p. 58, Harvard University Press (1993)
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—Leonardo Da Vinci (1425–1519)