External Pterygoid Nerve (n. pterygoideus externus).    From Wordnik.com.  [IX. Neurology. 5e. The Trigeminal Nerve] Reference

The Internal Pterygoid Nerve (n. pterygoideus internus).    From Wordnik.com.  [IX. Neurology. 5e. The Trigeminal Nerve] Reference

The pterygoid plexus (plexus pterygoideus) is of considerable size, and is situated between the Temporalis and pterygoideus externus, and partly between the two Pterygoidei.    From Wordnik.com.  [VII. The Veins. 3b. The Veins of the Head and Neck] Reference