| rhinitis nervosa | <chest medicine> An inflammatory response in the nasal passages to an allergic stimulus. Often includes: nasal congestion, sneezing, runny or itchy nose. (27 Sep 1997) |
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| rhinitis sicca | A form of chronic rhinitis with little or no secretion. (05 Mar 2000) |
| rhinitis, allergic | The medical term for hayfever. (Hay fever is a misnomer since hay is not a usual cause of this problem and there is no fever. Many substances cause the allergic symptoms in hay fever. Allergic rhinitis is the correct term for this allergic reaction. Rhinitis means irritation of the nose and is a derivative of rhino, meaning nose.) symptoms include nasal congestion, a clear runny nose, sneezing, nose and eye itching, and tearing eyes. Post-nasal dripping of clear mucus frequently causes a cough. Loss of smell is common and loss of taste occurs occasionally. Nose bleeding may occur if the condition is severe. Eye itching, redness, and tearing frequently accompany the nasal symptoms. (12 Dec 1998) |
| rhinitis, allergic, perennial | Allergic rhinitis (hayfever) that occurs throughout the year. (12 Dec 1998) |
| rhinitis, allergic, seasonal | Allergic rhinitis (hayfever) which occurs during a specific season. (12 Dec 1998) |
| rhinitis, atrophic | A chronic form of rhinitis marked by wasting of the mucous membrane and the glands. It is usually associated with crusting and foul-smelling discharges. (12 Dec 1998) |
| rhinitis, vasomotor | A form of rhinitis brought about by changes in vascular tone and permeability. The aetiology is obscure. (12 Dec 1998) |
| rhino- | <prefix> A combining form from Greek, the nose, as in rhinolith, rhinology. (29 Oct 1998) |
| rhinoanemometer | A variation of the pneumotachometer, used for measuring nasal air flow and nasal resistance to air flow. Origin: rhino-+ G. Anemos, wind, + metron, measure (05 Mar 2000) |
| rhinocanthectomy | An obsolete term for excision of the inner canthus of the eye. Origin: rhino-+ G. Kanthos, canthus, + ektome, excision (05 Mar 2000) |
| rhinocele | Cavity (ventricle) of the rhinencephalon, the primitive olfactory part of the telencephalon. Origin: rhino-+ G. Koilia, a hollow (05 Mar 2000) |
| rhinocephaly | Rhinencephaly;a form of cyclopia in which the nose is represented by a fleshy proboscis-like protuberance arising above the slitlike orbits, and the rhinencephalic lobes of the telencephalon are poorly developed with some tendency to become fused together. Origin: rhino-+ G. Kephale, head (05 Mar 2000) |
| rhinocerical | <zoology> Of or pertaining to the rhinoceros; resembling the rhinoceros, or his horn. Source: Websters Dictionary (01 Mar 1998) |
| rhinoceros | <zoology> Any pachyderm belonging to the genera Rhinoceros, Atelodus, and several allied genera of the family Rhinocerotidae, of which several living, and many extinct, species are known. They are large and powerful, and usually have either one or two stout conical median horns on the snout. The Indian, or white, and the Javan rhinoceroses (Rhinoceros Indicus and R. Sondaicus) have incisor and canine teeth, but only one horn, and the very thick skin forms shieldlike folds. The two or three African species belong to Atelodus, and have two horns, but lack the dermal folds, and the incisor and canine teeth. The two Malay, or East Indian, two-horned species belong to Ceratohinus, in which incisor and canine teeth are present. See Borele, and Keitloa. Rhinoceros auk A large hornbill (Buceros rhinoceros), native of the East Indies. It has a large hollow hornlike process on the bill. Called also rhinoceros hornbill. See Hornbill. An African beefeater (Buphaga Africana). It alights on the back of the rhinoceros in search of parasitic insects. Origin: L, fr. Gr,, the nose + a horn: cf. F. Rhinoceros. See Horn. Source: Websters Dictionary (01 Mar 1998) |
| rhinochiloplasty | Plastic surgery of the nose and upper lip. Origin: rhino-+ G. Cheilos, lip, + plastos, formed (05 Mar 2000) |