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The pterygopalatine ganglion (of Meckel), the largest of the parasympathetic ganglia associated with the branches of the maxillary nerve, is deeply placed in the pterygopalatine fossa, close to the sphenopalatine foramen. It is triangular or heart-shaped, of a reddish-gray color, and is situated just below the maxillary nerve as it crosses the ...
The two pterygopalatine nerves (or sphenopalatine branches) descend to the pterygopalatine ganglion. [1] Although it is closely related to the pterygopalatine ganglion, it is still considered a branch of the maxillary nerve and does not synapse in the ganglion. [2] It is found in the pterygopalatine fossa. [3]
the pterygopalatine ganglion suspended by nerve roots from the maxillary nerve the terminal third of the maxillary artery the maxillary nerve (CN V 2 , the second division of the trigeminal nerve), with which is the nerve of the pterygoid canal , a combination of the greater petrosal nerve (preganglionic parasympathetic ) and the deep petrosal ...
The greater petrosal nerve also conveys some special sensory nerve fibres which carry gustatory (taste) sensory information from the palate [1]: 22 that are relayed to the pterygopalatine ganglion by the lesser palatine nerves and are in turn conveyed to the geniculate ganglion by the greater petrosal nerve to synapse in the ganglion.
The greater palatine nerve is a branch of the pterygopalatine ganglion. This nerve is also referred to as the anterior palatine nerve, due to its location anterior to the lesser palatine nerve. It carries both general sensory fibres from the maxillary nerve, and parasympathetic fibers from the nerve of the pterygoid canal.
ciliary ganglion (sphincter pupillae, ciliary muscle) pterygopalatine ganglion (lacrimal gland, glands of nasal cavity) submandibular ganglion (submandibular and sublingual glands) otic ganglion (parotid gland)
It begins at the middle of the trigeminal ganglion as a flattened plexiform band then it passes through the lateral wall of the cavernous sinus. It leaves the skull through the foramen rotundum, where it becomes more cylindrical in form, and firmer in texture. After leaving foramen rotundum it gives two branches to the pterygopalatine ganglion.
The pharyngeal nerve is a small branch of the maxillary nerve (CN V 2), [1]: 496 arising at the posterior part of the pterygopalatine ganglion.It passes through the palatovaginal canal [1]: 370, 496 with the pharyngeal branch of the maxillary artery.