What nerve enters Pterygopalatine fossa from middle cranial fossa and gives its terminal branches?

Asked by Elmer Rose on September 16, 2021

Categories: Medical health Ear nose and throat conditions

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In the pterygopalatine fossa, it gives origin to several branches: the middle meningeal nerve and the zygomatic nerve, which contains both sensory fibers to the skin of the zygomatic region, postganglionic parasympathetic fibers to the lacrimal gland, and three orfour thin sphenopalatine nerves that connect it to the

What is the Pterygoid plate? a : a broad thin plate that forms the lateral part of the pterygoid process and gives attachment to the lateral pterygoid muscle onits lateral surface and to the medial pterygoid muscle onits medial surface. — called also lateral pterygoid plate.

Where does the sphenopalatine artery come from? The sphenopalatine artery (SPA) is one of the terminal branches of the internal maxil- lary artery (IMA) which originates from the external carotid artery system. It provides 90% of the blood supply to the nasal cavity i.e.the lateral nasal wall, the turbinates and most of the nasalseptum.

Where is the Infratemporal fossa? The infratemporal fossa is a complex area located at the base of the skull, deep to the masseter muscle. It is closely associated with both the temporal and pterygopalatine fossae and acts as a conduit for neurovascular structures entering and leaving the cranial cavity.

Where is the Palatine in the skull? Palatine bone. The palatine bone is a paired, L-shaped bone that forms part of the nasal cavity and hard palate. It is located between the maxilla and sphenoid bone and is a part of inferior skullsurface.