hypoglossal


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to hypoglossal: glossopharyngeal, hypoglossal canal

hypoglossal

 [hi″po-glos´al]
hypoglossal nerve the twelfth cranial nerve; its modality is purely motor, serving the intrinsic muscles of the tongue and other muscles beneath the tongue. See Appendix 3-5.

hy·po·glos·sal

(hī'pō-glos'ăl), Do not confuse this word with hyoglossal.
1. Below the tongue.
2. Relating to the twelfth cranial nerve (nervus hypoglossus).
Synonym(s): hypoglossus
[L. hypoglossus fr. hypo- + glossus, tongue]

hypoglossal

/hy·po·glos·sal/ (hi´po-glos´al) sublingual.

hypoglossal

(hī′pə-glŏs′əl)
adj.
1. Of or relating to the area under the tongue.
2. Of or relating to the hypoglossal nerve.

hypoglossal

[-glos′əl]
Etymology: Gk, hypo, under, glossa, tongue
pertaining to nerves or other structures under the tongue.

hy·po·glos·sal

(hī'pō-glos'ăl)
1. Below the tongue.
2. Relating to the twelfth cranial nerve, nervus hypoglossus.
[L. hypoglossus fr. hypo- + glossus, tongue]

hy·po·glos·sal

(hī'pō-glos'ăl) Do not confuse this word with hyoglossal.
1. Below the tongue.
2. Relating to the twelfth cranial nerve (nervus hypoglossus).
[L. hypoglossus fr. hypo- + glossus, tongue]

hypoglossal

situated beneath the tongue, as the hypoglossal nerve.

hypoglossal cord
the large aggregation of myogenic cells which migrates from somites 3-5 to a location ventral to the pharynx, and forms the tongue.
hypoglossal nerve paralysis
causes difficulty in prehension, deglutition and mastication. Unilateral lesions cause deviation of the protruded tongue toward the side of the lesion.
References in periodicals archive ?
The THN3 Study (Targeted Hypoglossal Neurostimulation Study #3) is a FDA-approved, randomized, controlled, prospective, multi-center clinical trial.
This feature distinguishes them from the persistent hypoglossal artery that originates from the internal carotid artery at the C1 to C3 level and enters the hypoglossal canal prior to joining the basilar system.
In our study, acute unilateral stimulation of the hypoglossal nerve during sleep in patients with obstructive sleep apnea resulted in progressive increases in inspiratory airflow with increasing stimulation intensity, and inspiratory flow limitation was completely eliminated in the majority of patients," said Dr.
New-onset or relapsing central nervous system (CNS) demyelinating disorders and neuropsychiatric AEs (depression, headache, vertigo, fatigue, hyperactivity, nervousness, anxiety, pain amplification, panic attacks, anorexia nervosa, optic neuropathy, hypoglossal paralysis) have been reported, especially in patients using etanercept.
These SMU techniques when applied to the genioglossus electromyogram allow insights into cellular activity within the hypoglossal motor nucleus.
On the other hand the corticobulbar tract (CBT) is commonly used to describe the pathway taken by motor fibers innervatiog the cranial nerve nuclei, especially trigeminal, facial, hypoglossal motor nuclei, nucleus ambiguus, and spinal accessory nucleus.
The involvement of the cranial nerves, especially the vagus and the hypoglossal, occurs in 10% of the cases.
The Inspire II system consists of an implantable pulse generator, a respiration pressure sensor and a stimulation lead that delivers the electrical impulses to the patient's hypoglossal nerve.
The origin of the spinal column from the brain, the pineal body (resembling a pine cone), the structure of the eye and at least some of the cranial nerves (optic with optic chiasma, oculomotor, trigeminal, facial, auditory and hypoglossal nerves) were identified.
Histopathologic lesions in brain of zebu with spongiform encephalopathy and cow with bovine spongiform encephalopathy, Switzerland, 2004 * Site Cow Zebu Brainstem Dorsal motor nucleus of vagus nerve (+) (++) Nucleus of spinal tract of trigeminal (++) (+++) nerve Nucleus of hypoglossal nerve (+) (++) Reticular formation (++) (++) Nucleus of solitary tract (++) (+++) Vestibular nuclei (++) (+) to (++) Olivary nuclei (++) (++) Cerebellar cortex (-) (+) Midbrain (substantia grisea centralis) (+) to (++) (++) to (+++) Thalamus (++) (++) to (+++) Hippocampus n.
These include prostate, lung, kidney, breast, melanomas, multiple myeloma and schwannomas of the hypoglossal nerve.