geniculate ganglion

The geniculate or genicular ganglion contains fibers for taste and somatic sensation and is located in the petrous temporal bone.

Gross anatomy

It is located at the first genu of the facial nerve at the anterior most part of the Fallopian canal at the junction between the labyrinthine and tympanic segments. In this ganglion the taste fibers carried to it by the nervus intermedius synapse.

Fibers in:

Fibers out:

Relations

• anteromedially: internal carotid artery
• anterolaterally: foramen spinosum
• posteriorly: superior semicircular canal

Related pathology

• Ramsay Hunt syndrome
• nervus intermedius neuralgia

Siehe auch:

• Nervus facialis
• fallopian canal
• greater superficial petrosal nerve
• external petrosal nerve
• Nervus petrosus minor

und weiter:

• vidian nerve
• lesser petrosal nerve
• Ganglion pterygopalatinum
• facial nerve choristoma
• facial nerve haemangioma
• normale Kontrastmittelanreicherung des Nervus facialis in der MRT
• Ramsay-Hunt Neuralgie
• geniculate ganglia schwannoma
• Schwannom des Nervus facialis