It is smaller and more inferior compared to the orbital process of palatine bone.

[1] The orbital and sphenoidal processes are separated from one another by the sphenopalatine notch.

Sometimes the two processes are united above, and form between them a complete foramen, or the notch may be crossed by one or more spicules of bone, giving rise to two or more foramina.

This article incorporates text in the public domain from page 169 of the 20th edition of Gray's Anatomy (1918)

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