Arteries of Larynx
The laryngeal arteries, branches of
the superior and inferior thyroid arteries, supply the larynx. The superior laryngeal artery accompanies
the internal branch of the superior laryngeal nerve through the thyrohyoid membrane and branches to supply the internal surface of the larynx. The cricothyroid artery, a small
branch of the superior thyroid artery, supplies the cricothyroid muscle. The inferior laryngeal artery, a branch of the
inferior thyroid artery, accompanies the inferior laryngeal
nerve (terminal part of the recurrent laryngeal nerve) and
supplies the mucous membrane and muscles in the inferior
part of the larynx.