| INQ | interior nasal quadrant |
|---|---|
| INV | inferior nasal vein |
| 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 |
| amniotic cavity | The fluid-filled cavity inside the amnion which contains the developing embryo. (05 Mar 2000) |
|---|---|
| anterior wall of tympanic cavity | It contains the carotid canal and the opening of the auditory tube. Synonym: paries caroticus cavi tympani, anterior wall of middle ear, carotid wall of middle ear. (05 Mar 2000) |
| articular cavity | A joint cavity, the potential space bounded by the synovial membrane and articular cartilages of all synovial joints. Normally, the articular cavity contains only sufficient synovial fluid to lubricate the internal surfaces. Synonym: cavitas articularis, cavum articulare. (05 Mar 2000) |
| axillary cavity | <anatomy> The underarm area. (16 Dec 1997) |
| body cavity | The collective visceral cavity of the trunk (thoracic cavity plus abdominopelvic cavity), bounded by the superior thoracic aperture above, the pelvic floor below, and the body walls (parietes) in between. Synonym: celom, celoma, coelom. (05 Mar 2000) |
| buccal cavity | That part of the mouth bounded anteriorly and laterally by the lips and the cheeks, posteriorly and medially by the teeth and/or gums, and above and below by the reflections of the mucosa from the lips and cheeks to the gums. Synonym: vestibulum oris, buccal cavity, vestibule of mouth. (05 Mar 2000) |
| cavity | <anatomy> A hollow place or space or a potential space, within the body or in one of its organs, it may be normal or pathological. Origin: L. Cavitas (18 Nov 1997) |
| cavity, abdominal | The space between the abdominal wall and the spine. (12 Dec 1998) |
| cavity line angle | In dentistry, the angle formed by two walls of a cavity, e.g., a tooth cavity, meeting along a line. (05 Mar 2000) |
| cavity liner | varnish (dental) |
| cavity margin | The periphery of a filling, the line of junction between a restoration and the external surface of a tooth. (05 Mar 2000) |
| cavity of concha | The space within the lower, larger portion of the concha below the crus helicis; it forms the vestibule leading into the external acoustic meatus. Synonym: cavum conchae. (05 Mar 2000) |
| cavity of larynx | A cavity that is continuous above with the pharynx at the level of the aryepiglottic folds and extends downward through the rima glottidis to the infraglottic space. Synonym: cavitas laryngis, cavum laryngis. (05 Mar 2000) |
| cavity of pharynx | It consists of a nasal part (nasopharynx) continuous anteriorly with the nasal cavity and receiving the openings of the auditory tubes, an oral part (oropharynx) opening through the fauces into the oral cavity, and a laryngeal part (laryngopharynx) leading into the vestibule of the larynx and to the oesophagus. Synonym: cavitas pharyngis, cavum pharyngis. (05 Mar 2000) |
| cavity of septum pellucidum | A slitlike, fluid-filled space of variable width between the left and right transparent septum, which occurs in less than 10% of human brains and may communicate with the third ventricle. Synonym: cavum septi pellucidi, Duncan's ventricle, fifth ventricle, pseudocele, pseudoventricle, sylvian ventricle, ventricle of Sylvius, ventriculus quintus, Vieussens' ventricle, Wenzel's ventricle. (05 Mar 2000) |