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

(anatomy) A shallow depression in the posterior dorsal midline of the tongue that is the remnant of the more cranial part of the embryonic duct from which the thyroid gland developed.

(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.

The opening at either end of the alar canal, with the rostral alar foramen closer to the nose and the caudal or posterior alar foramen closer to the back of the skull.

(medicine, anatomy, embryology) An opening in the septum between the right and left atria of the fetal heart that normally closes after birth.

(anatomy) Either of the interventricular foramina, channels that connect the paired lateral ventricles with the third ventricle at the midline of the brain.