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A superior laryngeal nerve palsy changes the pitch of the voice and causes an inability to make explosive sounds due to paralysis of the cricothyroid muscle. If no recovery is evident three months after the palsy initially presents, the damage is most likely to be permanent.
Thyroplasty is a phonosurgical technique designed to improve the voice by altering the thyroid cartilage of the larynx (the voice box), which houses the vocal cords in order to change the position or the length of the vocal cords.
Its lateral thinner portions are pierced by the superior laryngeal vessels and the internal branch of the superior laryngeal nerve. [1] Its anterior surface is in relation with the thyrohyoid muscle, sternohyoid muscle, and omohyoid muscles, and with the body of the hyoid bone. It is pierced by the superior laryngeal nerve. [2]
superior laryngeal nerve ≅ superior laryngeal nerve (Q965012) superior laryngeal nerve superior laryngeal artery ≅ superior laryngeal artery (Q487082) superior laryngeal artery superior cornu of thyroid cartilage ≅ superior horn of thyroid cartilage (Q7643625) superior cornu of thyroid cartilage
Superficial branch of the radial nerve; Superficial fibular nerve; Superior cardiac nerve; Superior cervical ganglion; Superior ganglion of glossopharyngeal nerve; Superior ganglion of vagus nerve; Superior gluteal nerve; Superior hypogastric plexus; Superior labial nerve; Superior laryngeal nerve; Superior lateral cutaneous nerve of arm ...
The inferior pharyngeal constrictor muscle can be supplied by branches from the pharyngeal plexus, [4] the recurrent laryngeal nerve, the external branch of the superior laryngeal nerve, or a combination of these (the recurrent laryngeal nerve being the most common innervation of the cricopharyngeal part). [5]
The external branch of the superior laryngeal nerve innervates the cricothyroid muscle. Motor innervation to all other muscles of the larynx and sensory innervation to the subglottis is by the recurrent laryngeal nerve. While the sensory input described above is (general) visceral sensation (diffuse, poorly localized), the vocal cords also ...
superior parathyroid glands and ultimobranchial body which forms the parafollicular C-Cells of the thyroid gland. Musculature and cartilage of larynx (along with the sixth pharyngeal arch). Nerve supplying these derivatives is Superior laryngeal nerve.