thyroarytenoid muscle

(redirected from Thyro-arytenoid muscle)

thy·ro·ar·y·te·noid mus·cle

(thī'rō-ar'i-tē'noyd mŭs'ĕl)
Origin, inner surface of thyroid cartilage; insertion, muscular process and outer surface of arytenoid; action, decreases tension on (relaxes) vocal cords, lowering the pitch of the voice tone; nerve supply, recurrent laryngeal.
Synonym(s): musculus thyroarytenoideus [TA] .
References in periodicals archive ?
Injection of botulinum toxin bilaterally into the thyro-arytenoid muscle has been used successfully (50).