| NBI | neutrophil bactericidal index; no bone injury; non-battle injury |
|---|---|
| NBM | no bowel movement; normal bone marrow; normal bowel movement; nothing by mouth |
| NBME | National Board of Medical Examiners; normal bone marrow extract |
| PBM | peak bone mass; peripheral basement membrane; peripheral blood mononuclear [cell]; placental basemen... |
| PBS | perfusion-pressure breakthrough syndrome; phenobarbital sodium; phosphate-buffered saline; planar bo... |
| foramen stylomastoideum | The distal or external opening of the facial canal on the inferior surface of the petrous portion of the temporal bone, between the styloid and mastoid processes; it transmits the facial nerve and stylomastoid artery. Synonym: foramen stylomastoideum. (05 Mar 2000) |
|---|---|
| foramen subseptale | In the embryonic heart, the temporary opening between right and left atria situated between the lower margin of the septum primum and the atrioventricular canal cushions, in an adult heart, the abnormal persistence of the so-named communication which is normal in young embryos. Synonym: foramen subseptale, ostium primum, primary interatrial foramen. (05 Mar 2000) |
| foramen supraorbitale | A foramen in the supraorbital margin of the frontal bone at the junction of the medial and intermediate thirds. Synonym: foramen supraorbitale. (05 Mar 2000) |
| foramen thyroideum | An opening occasionally existing in one or both of the plates of the thyroid cartilage. Synonym: foramen thyroideum. (05 Mar 2000) |
| foramen transversarium | Foramen processus transversus. Synonym: foramen processus transversi, foramen transversarium, foramen vertebroarterialis, foramen of transverse process, vertebroarterial foramen. (05 Mar 2000) |
| foramen venae cavae | An opening in the right lobe of the central tendon of the diaphragm which transmits the inferior vena cava and branches of the right phrenic nerve. Synonym: foramen venae cavae, foramen of vena cava, foramen quadratum. (05 Mar 2000) |
| foramen venosum | <anatomy> A minute inconstant foramen in the greater wing of the sphenoid bone, anterior and medial to the foramen ovale, transmitting a small emissary vein from the cavernous sinus. Synonym: emissary sphenoidal foramen, venous foramen, Vesalius' foramen. (05 Mar 2000) |
| foramen vertebrale | The foramen formed by the union of the vertebral arch with the body; in the articulated vertebral column, the vertebral foramen collectively form the vertebral column. Synonym: foramen vertebrale. (05 Mar 2000) |
| foramen vertebroarterialis | Foramen processus transversus. Synonym: foramen processus transversi, foramen transversarium, foramen vertebroarterialis, foramen of transverse process, vertebroarterial foramen. (05 Mar 2000) |
| foramen zygomaticofaciale | The opening on the lateral surface of the zygomatic bone below the orbital margin that transmits the zygomaticofacial nerve. Synonym: foramen zygomaticofaciale, malar foramen. (05 Mar 2000) |
| foramen zygomatico-orbitale | The common opening on the orbital surface of the zygomatic bone of the canals transmitting the zygomaticofacial and zygomaticotemporal nerves; sometimes each of these canals has a separate opening on the orbital surface. Synonym: foramen zygomatico-orbitale. (05 Mar 2000) |
| foramen zygomaticotemporale | The opening, on the temporal surface of the zygomatic bone, of the canal that gives passage to the zygomaticotemporal nerve. Synonym: foramen zygomaticotemporale. (05 Mar 2000) |
| acute reflex bone atrophy | Atrophy of bones, commonly of the carpal or tarsal bones, following a slight injury such as a sprain. See: causalgia, reflex sympathetic dystrophy. Synonym: acute reflex bone atrophy, posttraumatic osteoporosis, Sudeck's syndrome. Origin: L. English sweat (05 Mar 2000) |
| air-bone gap | The difference between the threshold for hearing acuity by bone conduction and by air conduction. (05 Mar 2000) |
| Albrecht's bone | A small bone between the basioccipital and basisphenoid. (05 Mar 2000) |