Pterygopalatine ganglion
Parasympathetic ganglion in the pterygopalatine fossa / From Wikipedia, the free encyclopedia
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The pterygopalatine ganglion (aka Meckel's ganglion, nasal ganglion, or sphenopalatine ganglion) is a parasympathetic ganglion in the pterygopalatine fossa. It is one of four parasympathetic ganglia of the head and neck, (the others being the submandibular, otic, and ciliary ganglion).
This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. (May 2015) |
Pterygopalatine ganglion | |
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Details | |
From | Maxillary nerve and nerve of pterygoid canal |
To | Greater palatine nerve, lesser palatine nerve, posterior lateral nasal branches and nasopalatine nerve |
Identifiers | |
Latin | ganglion pterygopalatinum |
TA98 | A14.3.02.006 |
TA2 | 6665 |
FMA | 6965 |
Anatomical terms of neuroanatomy |
It is innervated by the Vidian nerve (formed by the greater superficial petrosal nerve branch of the facial nerve and deep petrosal nerve) and maxillary division of the trigeminal nerve. Its postsynaptic axons project to the lacrimal glands and nasal mucosa.[1]
The flow of blood to the nasal mucosa, in particular the venous plexus of the conchae, is regulated by the pterygopalatine ganglion and heats or cools the air in the nose.