Foramen

(fo-ra'-men). A pa age or opening, especially one in a bone. A Table of Foramina is appended. FORAMINA. Name. Location. Transmits. Ycce ory transverse. Anomalous foramina in the transverse proce es of the cervical vertebrae. An anomalous and acce ory vertebral artery. vcoustic. The same as the internal auditory meatus. The auditory and facial nerves. dveolar, anterior. ilveolar, inferior. See Dental , inferior. '.lveolar, posterior. In the superior maxilla. Vmplum pelveos. See Obturator . anonymous of Ferrein. See Hiatus Fallopii. inteorbital. In mammals, an orifice in the cheek-bone in front of the orbit, corresponding to the infraorbital foramen of man. int orbital. See Anteorbital ..ortic. An opening in the diaphragm. rachnoid. See Foramen of Magendie. tlantal.:rio-ventricular, common. In many animals, a hole through the ventral border of the atlas; Suboccipital nerve; vertebral artery. only exceptionally present in man. In some animals, an auriculo-ventricular opening common to Blood. both auricles and ventricles. 'uditory, external. uditory, internal. The external meatus of the auditory canal. 1 See Acoustic . Sound-waves to tympanic membrane. nricnlar. The mouth of the external auditory meatus. Sound-waves to tympanic membrane. irtholin's. See Obturator .:hat's. supposed communication between of the the subarachnoid space I A and the cavity of the third ventricle brain. Botal or Botallo. In the fetus, the opening between the two auricles of the heart, 1 situated larum. at the lower posterior portion of the septum auricurotic.: The inferior aperture of the carotid canal. rxrtico-clinoid. i Sphenoid bone; an occasional foramen, formed by the union of the apices of the anterior and middle clinoid proce es. See Dental , inferior. Superior posterior dental ve els and nerves. Superior maxillary division of the trifacial nerve; occasionally the ma eter muscle. The aorta. Blood. Carotid ve els. See Canal , Carotico-tympanic. Ntotid, external. The external aperture of the carotid canal. Internal internal. The internal aperture of the carotid canal. jj Internal plexus. carotid The median vertebral vein. plexus. carotid artery and artery and carotid ernous. Sphenoid bone; a small pa age. i al, anterior. Also called pre pontile fo a; the depre ion at the cephalic margin of the pons. (of I Formed by the frontal bone and the crista gall i of the ethmoid; A vein, occasionally.