| NAR | nasal airway resistance; National Association for Retarded [Children, Citizens]; no action required |
|---|---|
| NAS | nasal; National Academy of Sciences; National Association of Sanitarians; neonatal airleak syndrome;... |
| N-CPAP, | n-CPAP nasal continuous positive airway pressure |
| ND | Doctor of Naturopathy; nasal deformity; natural death; Naval Dispensary; neonatal death; neoplastic ... |
| NSR | nasal septal reconstruction; nonspecific reaction; normal sinus rhythm; no sign of recurrence; not s... |
| parotid notch | The space between the ramus of the mandible and the mastoid process of the temporal bone. (05 Mar 2000) |
|---|---|
| mastoid notch | The groove medial to the mastoid process of the temporal bone from which the digastric muscle originates. Synonym: incisura mastoidea, digastric groove, digastric notch, mastoid notch. (05 Mar 2000) |
| greater sciatic notch | The deep indentation in the posterior border of the hip bone at the point of union of the ilium and ischium. Synonym: incisura ischiadica major, iliosciatic notch, sacrosciatic notch. (05 Mar 2000) |
| Rivinus' notch | The notch in the superior part of the tympanic ring bridged by the flaccid part of the tympanic membrane. Synonym: incisura tympanica, incisura rivini, Rivinus' incisure, Rivinus' notch, tympanic incisure. (05 Mar 2000) |
| clavicular notch of sternum | A hollow on either side of the upper surface of the manubrium sterni which articulates with the clavicle. Synonym: incisura clavicularis, clavicular facet. (05 Mar 2000) |
| muscle of notch of helix | An occasional muscle on the cranial surface of the auricle spanning the antitragohelicine fissure. Synonym: musculus incisurae helicis, musculus intertragicus. (05 Mar 2000) |
| costal notch | One of the notches or facets on the lateral edge of the sternum for articulation with a costal cartilage. Synonym: incisura costalis. (05 Mar 2000) |
| cotyloid notch | A gap in the inferior the margin of the acetabulum. Synonym: incisura acetabuli, cotyloid notch. (05 Mar 2000) |
| popliteal notch | The deep fossa between the femoral condyles in which the cruciate ligaments are attached. Synonym: fossa intercondylaris, intercondyloid fossa, intercondylic fossa, intercondyloid notch, popliteal notch. (05 Mar 2000) |
| craniofacial notch | A defect in the osseous partition between the orbital and nasal cavities. (05 Mar 2000) |
| posterior cerebellar notch | A narrow notch between the cerebellar hemispheres posteriorly, occupied by the falx cerebelli. Synonym: incisura cerebelli posterior, marsupial notch, posterior notch of cerebellum. (05 Mar 2000) |
| posterior notch of cerebellum | A narrow notch between the cerebellar hemispheres posteriorly, occupied by the falx cerebelli. Synonym: incisura cerebelli posterior, marsupial notch, posterior notch of cerebellum. (05 Mar 2000) |
| hamular notch | The notch or fissure between the tuberosity of the maxilla and the hamulus of the pterygoid process of the sphenoid bone. Synonym: hamular notch. (05 Mar 2000) |
| preoccipital notch | An indentation in the ventrolateral border of the temporal lobe of the cerebral hemisphere. Synonym: incisura preoccipitalis. (05 Mar 2000) |
| presternal notch | The V shaped notch at the top of the breastbone (sternum). (12 Dec 1998) |