Geniculate
Geniculate
Geniculate (pronounced: jen-ICK-yoo-lit) is a term derived from the Latin word geniculum, meaning "a little knee". It is used in various fields of medicine to describe structures that have a bent or knee-like appearance.
Anatomy
In anatomy, the term Geniculate ganglion refers to a sensory ganglion of the facial nerve (VII) located in the facial canal of the temporal bone. It receives sensory fibers from the anterior two-thirds of the tongue and sends fibers to the lacrimal glands, submandibular glands, and sublingual glands.
Neuroscience
In neuroscience, the term Lateral geniculate nucleus (LGN) is used to describe a relay center in the thalamus for the visual pathway. It receives major sensory input from the retina.
Related Terms
- Geniculate bodies: Two eminences on the underside of the brain, just above the cerebellum. They are part of the auditory system and are divided into medial and lateral geniculate bodies.
- Geniculate neuralgia: A condition characterized by severe, stabbing or shock-like pain in the ear, back of the tongue, tonsil or area beneath the ear.
- Geniculate herpes: A condition caused by the reactivation of latent varicella zoster virus in the geniculate ganglion, a nerve cell bundle of the facial nerve.
External links
- Medical encyclopedia article on Geniculate
- Wikipedia's article - Geniculate
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