pterygoid plexus(redirected from Pterygoid plexus vein)
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Related to Pterygoid plexus vein: Pharyngeal plexus
one of a pair of extensive networks of veins between the temporalis and the pterygoideus lateralis muscles, extending between surrounding structures in the infratemporal fossa. It communicates with the facial vein through the deep facial and angular veins. Compare maxillary vein.
A venous plexus lying between the temporalis, lateral pterygoid, and medial pterygoid muscles. Many of the deeper veins of the front of the head, e.g., , deep temporal, sphenopalatine, inferior ophthalmic, dental, connect with this plexus, which empties into the deep facial vein and which is thus in communication with the cavernous sinus inside the skull.
See also: plexus