| LPFN | low-pass filtered noise |
|---|---|
| MNA | maximum noise area |
| NAC | N-acetylcysteine; National Asthma Center; National Audiovisual Center; Noise Advisory Council |
| NC | nasal cannula; nasal clearance; neck complaint; neonatal cholestasis; neural crest; neurologic check... |
| NDT | neurodevelopmental treatment; noise detection threshold; nondestructive test, nondestructive testing... |
| middle ear | middle ear |
|---|---|
| middle ear mass | <radiology> Glomus tumour (multiple in 10%; 8% malignant), glomus tympanicum, from cochlear promontory, seldom erodes bone, glomus jugulare, invasion of middle ear from below, destruction of bony roof of jugular fossa and bony spur separating vein from carotid artery, abberant carotid artery (no bony margin), enlarged jugular bulb (dehiscent bony covering), cholesteatoma, rhabdomyosarcoma (orbit greater than nasopharynx greater than ear), adenocarcinoma (rare) (12 Dec 1998) |
| middle ear ventilation | Ventilation of the middle ear in the treatment of secretory (serous) otitis media, usually by placement of tubes or grommets which pierce the tympanic membrane. (12 Dec 1998) |
| pit, ear | Tiny pit in front of the ear. Also preauricular pit. A minor anomaly of no great consequence in itself. More common in blacks than whites and in females than males. Can recur in families. The presence of 2 or more minor anomalies in a child increases the probability that the child has a major malformation. (12 Dec 1998) |
| Morel's ear | A large, misshapen, outstanding auricle, with obliterated grooves and thinned edges. (05 Mar 2000) |
| white-ear | <zoology> The wheatear. Source: Websters Dictionary (01 Mar 1998) |
| mouse-ear | <botany> The forget-me-not (Myosotis palustris) and other species of the same genus. A European species of hawkweed (Hieracium Pilosella). Mouse-ear chickweed, a name of two common species of chickweed (Cerastium vulgarium, and C. Viscosum). Mouse-ear cress, a low cruciferous herb (Sisymbrium Thaliana). All these are low herbs with soft, oval, or obovate leaves, whence the name. Source: Websters Dictionary (01 Mar 1998) |
| Wildermuth's ear | An ear in which the helix is turned backward and the anthelix is prominent. (05 Mar 2000) |
| Mozart ear | A deformity of the pinna where the two crura of the antihelix and the crus of the helix are fixed, giving a bulging appearance of the superior part of the pinna. Origin: Wolfgang Amadeus Mozart, 1756-1791, composer, said to have had this deformity (05 Mar 2000) |
| compressive ear dressing | <otolaryngology> A thick (mound) dressing of soft gauze is applied over the ear and then a circular wrap is applied around the head. This is usually performed to prevent ear swelling that can result in cauliflower ear. (05 Jan 1998) |
| concha of ear | The large hollow, or floor of the auricle, between the anterior portion of the helix and the antihelix; it is divided by the crus of the helix into the cymba above and the cavum below. Synonym: concha auriculae. (05 Mar 2000) |
| posterior wall of middle ear | 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) |
| hare's-ear | <botany> An umbelliferous plant (Bupleurum rotundifolium); so named from the shape of its leaves. Source: Websters Dictionary (01 Mar 1998) |
| hart's-ear | <botany> An Asiatic species of Cacalia (Cacalia Kleinia), used medicinally in India. (06 Mar 1998) |
| scroll ear | A deformity of the external ear in which the pinna is rolled forward. (05 Mar 2000) |