greater petrosal nerve


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Related to greater petrosal nerve: geniculate ganglion, lesser petrosal nerve, Foramen lacerum, Chorda tympani, Greater superficial petrosal nerve

great·er pe·tro·sal nerve

[TA]
a branch from the genu of the facial nerve exiting via the hiatus of the facial canal and running in a groove on the anterior surface of the petrous part of the temporal bone beside the foramen lacerum to join the deep petrosal nerve, thus forming the nerve of the pterygoid canal, which passes through the pterygoid canal to reach the pterygopalatine ganglion.

greater petrosal nerve

a branch of the facial nerve that innervates all the salivary glands above the level of the oral fissure, as well as all mucus glands in the nose and the lacrimal gland in the orbit.

great·er pe·tro·sal nerve

(grā'tĕr pĕ-trō'săl nĕrv) [TA]
A branch from the genu of the facial nerve exiting by way of the hiatus of the facial canal and running in a groove on the anterior surface of the petrous part of the temporal bone beside the foramen lacerum to join the deep petrosal nerve, thus forming the nerve of the pterygoid canal, which passes through the pterygoid canal to reach the pterygopalatine ganglion.
Synonym(s): greater superficial petrosal nerve, nervus petrosus major, parasympathetic root of pterygopalatine ganglion.

great·er pe·tro·sal nerve

(grā'tĕr pĕ-trō'săl nĕrv) [TA]
A branch from the genu of the facial nerve exiting by way of the hiatus of the facial canal and running in a groove on the anterior surface of the petrous part of the temporal bone beside the foramen lacerum to join the deep petrosal nerve, thus forming the nerve of the pterygoid canal, which passes through the pterygoid canal to reach the pterygopalatine ganglion.
Synonym(s): greater superficial petrosal nerve, nervus petrosus major, parasympathetic root of pterygopalatine ganglion.
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