(anatomy) A large irregular opening from the posterior cranial fossa that is bounded anteriorly by the petrous part of the temporal bone and posteriorly by the jugular notch of the occipital bone and that transmits the inferior petrosal sinus, the glossopharyngeal, vagus, and accessory nerves, and the internal jugular vein.

(anatomy) A foramen formed by articulation of a deep notch between the sphenoidal and orbital parts of the vertical plate of the palatine bone with the sphenoid bone.

(anatomy) Either of a pair of passages through the orbit of the eye in the lesser wing of the sphenoid bone that is traversed by the optic nerves and ophthalmic arteries.

(anatomy) A foramen for the passage of blood vessels and a nerve on the outside of the lower jaw on each side near the chin.

(anatomy) A foramen that occurs on the lower surface of the temporal bone between the styloid and mastoid processes and that forms the termination of the facial canal.

(anatomy) A foramen in the zygomatic bone that gives passage to the zygomaticotemporal branch of the zygomatic nerve.

(anatomy) An aperture in the greater wing of the sphenoid bone that gives passage to the middle meningeal artery.

(anatomy) An opening in the maxilla just below the lower rim of the orbit that gives passage to the infraorbital artery, nerve, and vein.

(anatomy) A foramen in the zygomatic bone that gives passage to the zygomaticofacial branch of the zygomatic nerve.