supra -orbital f

A notch in the superior orbital margin, at the junction of the middle with the inner third, sometimes converted into a f. by a bony proce , or a ligamentous band. It is the orifice of a groove in the upper wall of the orbit, which transmits the supra-orbital arteryy veins, and nerve, supra trochlear f. A f. which sometimes perforates the thin plate of bone between the olecranon and the coronoid fo a of the humerus, thyroid f. A f. in the ala of the thyroid cartilage, more or le completely covered by perichondrium, vertebral f. The space between the body and the arch of a vertebra, which transmits the spinal cord and its appendages, vertebro-arterial foramina. The foramina in the transverse proce es of the cervical vertebrae which transmit the vertebral artery and vein. [Lat, for are, to bore.]