| 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... |
perpared cavity
| mucosa of tympanic cavity | The mucous layer of the tympanic cavity and the structures in it. Synonym: tunica mucosa cavitatis tympani, mucous membrane of tympanic cavity. (05 Mar 2000) |
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| mucous membrane of tympanic cavity | The mucous layer of the tympanic cavity and the structures in it. Synonym: tunica mucosa cavitatis tympani, mucous membrane of tympanic cavity. (05 Mar 2000) |
| pleural cavity | The potential space which lies in between the visceral pleura and the parietal pleura. (27 Sep 1997) |
| pleuroperitoneal cavity | That part of the embryonic celom later partitioned to give rise to the pleural and peritoneal cavity's. (05 Mar 2000) |
| cotyloid cavity | <anatomy> The hollow, cuplike portion of the pelvis into which the head of the thigh bone (femur) fits. <zoology> Also, in entomology, the leg socket on an insect's abdomen or thorax. (12 Mar 1998) |
| cranial cavity | <anatomy> The skull. (16 Dec 1997) |
| crown cavity | The space within the crown of a tooth continuous with the root canal. Synonym: cavitas coronalis, cavum coronale. (05 Mar 2000) |
| posterior wall of tympanic cavity | It contains the opening into the mastoid antrum. Synonym: paries mastoideus cavi tympani, mastoid wall of middle ear, posterior wall of middle ear. (05 Mar 2000) |
| head cavity | The cephalic region in the embryos of vertebrates containing the modified somites that give rise to the extrinsic eye muscles. (05 Mar 2000) |
| primitive perivisceral cavity | The space between the ectoderm and endoderm in the gastrula. Synonym: primitive perivisceral cavity. (05 Mar 2000) |
| promontory of tympanic cavity | A rounded eminence on the labyrinthine wall of the middle ear, caused by the first coil of the cochlea. Synonym: promontorium cavi tympani, tuber cochleae, tympanic promontory. (05 Mar 2000) |
| segmentation cavity | The cavity in the blastula of a developing embryo. Synonym: blastocoele, cleavage cavity, segmentation cavity. Origin: blasto-+ G. Koilos, hollow (05 Mar 2000) |
| pulmonary cavity | The portion of the thoracic cavity lying on either side of the mediastinum and occupied by a lung; the space existing when a lung is removed. (05 Mar 2000) |
| pulp cavity | The central hollow of a tooth consisting of the crown cavity and the root canal; it contains the fibrovascular dental pulp and is lined throughout by odontoblasts. Synonym: cavitas dentis, cavity of tooth, cavum dentis. (05 Mar 2000) |
| somite cavity | 1. Protrusion of muscle substance through a rent in its sheath. Origin: myo-+ G. Kele, hernia 2. The small cavity that appears in somites. Synonym: somite cavity. Origin: myo-+ G. Koilia, a cavity (05 Mar 2000) |