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The facial motor nucleus is a collection of neurons in the brainstem that belong to the facial nerve (cranial nerve VII). [1] These lower motor neurons innervate the muscles of facial expression and the stapedius .
The facial nerve, also known as the seventh cranial nerve, cranial nerve VII, or simply CN VII, is a cranial nerve that emerges from the pons of the brainstem, controls the muscles of facial expression, and functions in the conveyance of taste sensations from the anterior two-thirds of the tongue.
A cranial nerve nucleus is a collection of neuron cell bodies (gray matter) in the brain stem that is associated with one or more of the cranial nerves. Axons carrying information to and from the cranial nerves form a synapse first at these nuclei .
The superior salivatory nucleus (or nucleus salivatorius superior) is a visceral motor cranial nerve nucleus of the facial nerve (CN VII). It is located in the pontine tegmentum . [ citation needed ] It projects pre-ganglionic visceral motor parasympathetic efferents (via CN VII ) to the pterygopalatine ganglion , and submandibular ganglion .
With the abducens nucleus it makes up the horizontal gaze centre. [1] It is situated in the pons adjacent to the abducens nucleus. [2] It projects to the ipsilateral abducens (cranial nerve VI) nucleus, and contralateral oculomotor (cranial nerve III) nucleus [note 1] to mediate conjugate horizontal gaze and saccades.
The spinal trigeminal nucleus is a nucleus in the medulla that receives information about deep/crude touch, pain, and temperature from the ipsilateral face. In addition to the trigeminal nerve (CN V), the facial (CN VII), glossopharyngeal (CN IX), and vagus nerves (CN X) also convey pain information from their areas to the spinal trigeminal nucleus. [1]
Download QR code; Print/export Download as PDF; Printable version; In other projects ... Spinal trigeminal nucleus; Stylohyoid branch of facial nerve;
The course and connections of the facial nerve in the temporal bone. Cranial nerves VII and VIII and selected structures of the inner and middle ear. 1 Nervus vestibularis , 2 Nervus cochlearis , 3 Nervus intermediofacialis , 4 Ganglion geniculi , 5 Chorda tympani , 6 Cochlea , 7 Ductus semicirculares , 8 Malleus , 9 Membrana tympani , 10 Tuba ...