| rhinostenosis | Nasal obstruction. Synonym: rhinocleisis. Origin: rhino-+ G. Stenosis, a narrowing (05 Mar 2000) |
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| rhinotheca | Origin: NL, from gr, the nose + case. <zoology> The sheath of the upper mandible of a bird. Source: Websters Dictionary (01 Mar 1998) |
| rhinotomy | 1. Any cutting operation on the nose. 2. Operative procedure in which the nose is incised along one side so that it may be turned away to provide full vision of the nasal passages for radical sinus operations. Origin: rhino-+ G. Tome, incision, cutting (05 Mar 2000) |
| rhinotracheitis | Inflammation of the nasal cavities and trachea. Origin: rhino-+ trachea + -itis, inflammation (05 Mar 2000) |
| Rhinovirus | <virology> Picornaviridae that largely infect the upper respiratory tract. Include the common cold virus and foot and mouth disease virus. (18 Nov 1997) |
| rhinoviruses, equine | A group of viruses of the family picornaviridae, yet unclassified as to genus, though not a member of rhinovirus. They cause a disease in horses characterised by rhinitis, pharyngitis, and fever. (12 Dec 1998) |
| Rhipicephalus | A genus of inornate hard ticks (family Ixodidae) consisting of about 50 species, all of which are Old World except Rhipicephalus sanguineus. Eyes and festoons are present in both sexes; short palpi and ventral plates are present only in the male. The genus includes important vectors of diseases in humans and domestic animals. Origin: G. Rhipis, fan, + kephale, head (05 Mar 2000) |
| Rhipicephalus appendiculatus | The brown ear tick, a species that transmits Theileria parva parva, the cause of East Coast fever, and Theileria parva lawrencei, the cause of Corridor disease, and Theileria parva bovis, the cause of Rhodesian malignant theileriosis. (05 Mar 2000) |
| Rhipicephalus evertsi | The red-legged or African red t., a vector of East Coast fever and of Borrelia theileri. (05 Mar 2000) |
| Rhipicephalus pulchellus | The yellow-backed or zebra tick; a vector of Theileria taurotragi, the cause of benign bovine theileriosis in Africa. (05 Mar 2000) |
| Rhipicephalus sanguineus | The brown dog tick, probably the most common and cosmopolitan species found on dogs in the U.S.; it may attack other animals but rarely attacks humans; it is a vector of Rocky Mountain spotted fever in Mexico, the major vector of canine babesiosis, transmits canine ehrlichiosis, and is a vector of the rickettsia of boutonneuse fever. (05 Mar 2000) |
| rhipidium | An inflorescence of cymose units, the lateral branches developed alternately in opposite directions. (09 Oct 1997) |
| rhipidoglossa | <zoology> A division of gastropod mollusks having a large number of long, divergent, hooklike, lingual teeth in each transverse row. It includes the scutibranchs. Origin: NL, fr. Gr. A fan + a tongue. Source: Websters Dictionary (01 Mar 1998) |
| rhipipter | <zoology> One of the Rhipiptera, a group of insects having wings which fold like a fan; a strepsipter. Origin: Gr. A fan + wing. Source: Websters Dictionary (01 Mar 1998) |
| rhipipteran | <zoology> Same as Rhipipter. Source: Websters Dictionary (01 Mar 1998) |