Hypoglossal Flashcards
The apparent origin of the hypoglossal nerve is between the ___ and ___.
Pyramid and olive.
Name the type of neurons in the nucleus of the Hypoglossal nerve.
Somatic efferent.
The hypoglossal nerve exits the cranial cavity thru the ___.
Hypoglossal canal.
Name the related muscle where the hypoglossal nerve becomes superficial.
Posterior belly of the digastric.
Name the intrinsic muscles of the tongue, which are innervated by the hypoglassal nerve.
Upper and lower longitudinal; vertical and transverse muscles.
Name the branch of the hypoglossal nerve which connects to the pharyngeal plexus on the occipital artery.
Ramus lingularis vagi.
Near the anterior border of the hyoglossus, the hypoglossal nerve communicates to the ___ of ___.
Upper root of ansa cervicalis.
The meningeal nerve of the hypoglossal nerve consists of the ___ and ___ nerve fibers.
Sensory and sympathetic.
The upper root of the ansa cervicalis is the branch of ___.
C1 ventral ramus/hypoglossal nerve?
Name two muscles which are innervated by the C1 component of the descending branch of the hypoglossal nerve.
Geniohyoid and thyrohyoid.
Name the nerve of the hypoglossal nerve which derived from the upper cervical nerves for sensory and from the superior cervical sympathetic ganglion.
Meningeal branch of hypoglossal.
Name the branch of the hypoglossal nerve which constitutes the upper root of the ansa cervicalis.
Descending branch of hypoglossal.
Name the muscles which are innervated by the ansa cervicalis.
Superior and inferior bellies of omohyoid, sternohyoid and sternothyroid.
Name the cervical nerves which form the ansa cervicalis.
C1-C3 ventral rami.
The unilateral lingual paralysis can cause ___.
Hemiatrophy.
