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mondofacto - Online Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 26/01/2008, UK Words: 116197

rhinocleisis
Synonym: rhinostenosis. ... Origin: rhino-+ G. Kleisis, a closure ... (05 Mar 2000) ...

rhinodacryolith
An obsolete term for a calculus in the nasolacrimal duct. ... Origin: rhino-+ G. Dakryon, tear (duct), + lithos, stone ... (05 Mar 2000) ...

rhinodymia
Duplication of the nose on an otherwise normal face. ... Origin: rhino-+ G. -dymos, fold ... (05 Mar 2000) ...

rhinodynia
Synonym: rhinalgia. ... Origin: rhino-+ G. Odyne, pain ... (05 Mar 2000) ...

rhinoestrosis
Infection of horses and donkeys, rarely humans, with larvae of the fly Rhinoestrus purpureus; human infection is usually benign and of short duration, limited to the first stage of the larva and resulting in a mild ophthalmomyiasis. ... (05 Mar 2000) ...

Rhinoestrus purpureus
A species of fly of the family Oestridae, the nasal botflies, that causes rhinoestrosis. ... (05 Mar 2000) ...

rhinogenous
Originating in the nose. ... Origin: rhino-+ G. -gen, producing ... (05 Mar 2000) ...

rhinokyphectomy
<procedure> An obsolete term referring to plastic surgery for rhinokyphosis. ... Origin: rhino-+ G. Kyphosis, humped condition, + ektome, excision ... (05 Mar 2000) ...

rhinokyphosis
A humpback deformity of the nose. ... Origin: rhino-+ G. Kyphosis, humped condition ... (05 Mar 2000) ...

rhinolalia
Nasalised speech. ... Synonym: rhinism, rhinophonia. ... Origin: rhino-+ G. Lalia, talking ... (05 Mar 2000) ...

rhinolalia aperta
Abnormal speech attributable to inadequate velopharyngeal closure. ... (05 Mar 2000) ...

rhinolalia clausa
Abnormal speech attributable to nasal obstruction. ... (05 Mar 2000) ...

rhinolithiasis
The presence of a nasal calculus. ... Origin: rhinolith + G. -iasis, condition ... (05 Mar 2000) ...

rhinologic
Relating to rhinology. ... (05 Mar 2000) ...

rhinomanometer
A manometer used to determine the presence and amount of nasal obstruction, and the nasal air pressure and flow relationships. ... Origin: rhino-+ manometer ... (05 Mar 2000) ...

rhinomanometry
1. The use of a rhinomanometer. ... 2. The study and measurement of nasal air flow and pressures. ... (05 Mar 2000) ...

rhinomucormycosis
Synonym: entomophthoramycosis. ... Origin: rhino-+ mucormycosis ... (05 Mar 2000) ...

rhinomycosis
Fungus infection of the nasal mucous membranes. ... Origin: rhino-+ mycosis ... (05 Mar 2000) ...

rhinonecrosis
Necrosis of the bones of the nose. ... Origin: rhino-+ necrosis ... (05 Mar 2000) ...

rhinopathy
Disease of the nose. ... Origin: rhino-+ G. Pathos, suffering ... (05 Mar 2000) ...

rhinopharyngeal
Synonym: nasopharyngeal. ... 2. Relating to the rhinopharynx. ... (05 Mar 2000) ...

rhinopharyngitis
<pathology> Inflammation of the nasopharynx. ... (18 Nov 1997) ...

rhinopharyngolith
A concretion in the rhinopharynx. ... Origin: rhinopharynx + G. Lithos, stone ... (05 Mar 2000) ...

rhinopharynx
Synonym: nasopharynx. ... Origin: rhino-+ pharynx ... (05 Mar 2000) ...

rhinophonia
Synonym: rhinolalia. ... Origin: rhino-+ G. Phone, voice ... (05 Mar 2000) ...

rhinophycomycosis
Synonym for entomophthoramycosis ... A disease caused by fungi of the genera Basidiobolus or Conididiobolus; tissues are invaded by broad nonseptate hyphae that become surrounded by eosinophilic material. A form of zygomycosis. ... See: zygomycosis. ... Synonym: rhinomucormycosis, rhinophycomycosis, subcutaneous phycomycosis. ... Origin: Entomophthoral …

rhinophyma
A manifestation of severe acne rosacea resulting in significant enlargement of the nose and occurring primarily in men. It is caused by hypertrophy of the sebaceous glands and surrounding connective tissue. The nose is reddened and marked with numerous telangiectasias. ... (12 Dec 1998) ...

rhinopneumonitis
Inflammation of the mucous membranes of the nose and lung in animals. ... Origin: rhino-+ G. Pneumon, lung, + -itis, inflammation ... (05 Mar 2000) ...

rhinorrhoea
<clinical sign> The free discharge of a thin nasal mucus. ... Origin: Gr. Rhoia = flow ... (18 Nov 1997) ...

rhinosalpingitis
Inflammation of the mucous membrane of the nose and eustachian tube. ... Origin: rhino-+ G. Salpinx, tube, + -itis, inflammation ... (05 Mar 2000) ...

rhinoscleroma
<dermatology> A rare disease of the skin, characterised by the development of very hard, more or less flattened, prominences, appearing first upon the nose and subsequently upon the neighboring parts, especially. The lips, palate, and throat. ... (06 Mar 1998) ...

rhinosporidiosis
Invasion of the nasal cavity by Rhinosporidium seeberi, resulting in a chronic granulomatous disease producing polyps or other forms of hyperplasia on mucous membranes; it is found in natives of North and South America, Pakistan, India, and Sri Lanka. ... (05 Mar 2000) ...

rhinosporidium
Ascomycetous fungi of the order endomycetales which cause rhinosporidiosis. ... (12 Dec 1998) ...

Rhinosporidium seeberi
A fungal-like organism, of worldwide distribution and uncertain taxonomic position, found in certain vascular raspberry-like tumours of the septum nasi (rhinosporidiosis). ... Origin: rhino-+ G. Sporidion, dim. Of sporos, seed ... (05 Mar 2000) ...

rhinostenosis
Nasal obstruction. ... Synonym: rhinocleisis. ... Origin: rhino-+ G. Stenosis, a narrowing ... (05 Mar 2000) ...

rhinotomy
1. <procedure> 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
<otolaryngology> 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, …

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 200 …

rhipidium
An inflorescence of cymose units, the lateral branches developed alternately in opposite directions. ... (09 Oct 1997) ...

rhizo-
Combining form denoting root. ... Origin: G. Rhiza ... (05 Mar 2000) ...

rhizobia
<microbiology> Bacteria in a symbiotic relationship with leguminous plants that results in nitrogen fixation. ... (23 Aug 1998) ...

rhizobiaceae
A family of gram-negative bacteria which are saprophytes, symbionts, or plant pathogens. ... (12 Dec 1998) ...

Rhizobium
<bacteria> Gram-negative bacterium that fixes nitrogen in association with roots of some higher plants, notably legumes. Forms root nodules, in which it is converted to the nitrogen fixing bacteroid form. ... (18 Nov 1997) ...

rhizobium leguminosarum
A species of gram-negative, aerobic bacteria that causes formation of root nodules on some, but not all, types of field pea, lentil, kidney bean, and clover. ... (12 Dec 1998) ...

rhizobium meliloti
A species of gram-negative, aerobic bacteria that causes formation of root nodules on some, but not all, types of sweet clover, alfalfa, and fenugreek. ... (12 Dec 1998) ...

rhizoctonia
A deuteromycetous fungal genus, order agonomycetales, that is an important plant pathogen affecting potatoes and other plants. ... (12 Dec 1998) ...

rhizoid
<biology> Portion of a cell or organism that serves as a basal anchor to the substratum. ... (23 Aug 1998) ...

rhizoma
<botany> Same as rhizome. ... (23 Aug 1998) ...

rhizome
<plant biology> A horizontal underground stem which can send out both shoots and roots, rhizomes sometimes have thickened areas that store starch. ... (23 Aug 1998) ...

rhizome chaff
<botany> Mechanically chopped-up pieces of thin rhizomes spread on the ground and covered with soil so they can take root and form new plants. ... (23 Aug 1998) ...

rhizome cutting
<botany> Part of a thick rhizome, which may take root and form a new plant. ... (23 Aug 1998) ...

rhizomelia
1. Disproportion in the length of the most proximal segment of the limbs (upper arms and thighs). ... 2. A disorder involving the shoulder and hip joint. ... Origin: rhizo-+ G. Melos, limb ... (05 Mar 2000) ...

rhizomeningomyelitis
Inflammation of the nerve roots, the meninges, and the spinal cord. ... Synonym: radiculomeningomyelitis. ... Origin: rhizo-+ G. Meninx, membrane, + myelon, marrow, + -itis, inflammation ... (05 Mar 2000) ...

rhizophore
<plant biology> A leafless stem that produces roots. ... (23 Aug 1998) ...

rhizoplast
<biology> Striated contractile structure attached to the basal region of the cilium in a variety of ciliates and flagellates. May regulate the flagellar beat pattern and is sensitive to calcium concentration. Composed of a 20 kD protein rather similar to spasmin. ... (23 Aug 1998) ...

rhizopod
<zoology> One of the Rhizopoda. ... The rhizopods belonging to the Radiolaria and Foraminifera have been of great geological importance, especially in the Cretaceous and Tertiary periods. Chalk is mostly made from the shells of Foraminifera. ... The nummulites are the principal ingredient of a limestone which is of great extent in Europe and As …

Rhizopodasida
Synonym for rhizopoda ... <zoology> An extensive class of Protozoa, including those which have pseudopodia, by means of which they move about and take their food. The principal groups are Lobosa (or Amoebea), Helizoa, Radiolaria, and Foraminifera (or Reticularia). See Protozoa. ... Origin: NL, fr. Gr. A root + -poda. ... Source: Websters Diction …

Rhizopodea
Synonym: Rhizopoda. ... Origin: rhizo-+ G. Pous (pod-), foot ... (05 Mar 2000) ...

rhizopterin
10-formylpteroic acid;a folic acid factor for certain bacteria. ... Synonym: SLR factor, Streptococcus lactis R factor. ... (05 Mar 2000) ...

rhizopus
A genus of zygomycetous fungi of the order mucorales, a common saprophyte and facultative parasite of mature fruits and vegetables. It may cause cerebral mycoses in diabetes and cutaneous infection in severely burned patients. ... (12 Dec 1998) ...

rhizosphere
<ecology> The zone of soil in which interactions between living plant roots and micro-organisms are found. ... (23 Aug 1998) ...

rhizotomy
<procedure> Surgical interruption of a spinal or cranial nerve root. ... (12 Dec 1998) ...

rho
1. 17th letter of the Greek alphabet, &rho;. ... 2. Symbol for density, population correlation coefficient ... See: rho factor. ... (05 Mar 2000) ...

rho factor
<cell biology> Protein factors found in prokaryotes, especially E. Coli, involved in the termination of transcription. Mutations in rho may cause the RNA polymerase to read through from one operon to the next. ... (23 Aug 1998) ...

rho gene
<molecular biology> Genes coding for small GTP-binding proteins, implicated in actin organisation and the interaction of the cytoskelton with intracellular membranes. ... See: ras, rab. ... (23 Aug 1998) ...

Rho-associated kinase
<enzyme> Binds the g-protein rho; rock-i and rock-ii are two isoforms; genbank u36909 ... Registry number: EC 2.7.10.- ... Synonym: rho-kinase, rock-i, rock-ii, p160(rock), let-502 kinase ... (26 Jun 1999) ...

rho(d) immune globulin
Immunizing agent containing IgG anti-rho(d) used for preventing rh immunization in rh-negative individuals exposed to rh-positive red blood cells. ... (12 Dec 1998) ...

Rho(D) immunoglobulin
rHo(D) immune globulin ...

rhoA p21 geranylgeranyltransferase
<enzyme> Transfers geranylgeranyl group to cysteine residue fourth from the c-terminal group of rho p21; no particular requirement for c-terminal amino acid; see also ras protein geranylgeranyl transferase ... Registry number: EC 2.5.1.- ... Synonym: geranylgeranyltransferase rhoa p21 ... (26 Jun 1999) ...

rhodamine
<chemical> A group of triphenylmethane derived dyes are referred to as rhodamines, lissamines etc. Many are fluorescent and are used as fluorochromes in labelling proteins and membrane probes. ... (18 Nov 1997) ...

rhodamine B
A fluorescent red basic xanthene dye, tetraethylrhodamine chloride, used in histology as a contrasting stain to methylene blue and methyl green, and as a vital fluorochrome. ... (05 Mar 2000) ...

rhodamines
<chemical> A family of 3,6-di(substituted-amino)-9-benzoate derivatives of xanthene that are used as dyes and as indicators for various metals; also used as fluorescent tracers in histochemistry. ... Pharmacological action: fluorescent dyes. ... (12 Dec 1998) ...

rhodanese
Synonym for thiosulfate sulfurtransferase ... <enzyme> An enzyme that catalyses the transfer of the planetary sulfur atom of thiosulfate ion to cyanide ion to form thiocyanate ion. ... Chemical name: Thiosulfate:cyanide sulfurtransferase ... Registry number: EC 2.8.1.1 ... (12 Dec 1998) ...

rhodanic acid
Synonym for thiocyanic acid ... HS-CN;hydrogen thiocyanate. ... Synonym: rhodanic acid, sulfocyanic acid. ... (05 Mar 2000) ...

rhodanile blue
A dye mixture, considered by some to be a salt of rhodamine B and Nile blue, used to stain keratinised epithelium (red) and fibroblasts (blue), as well as spermatozoa and normal and pathologic acidophilic, basophilic, and certain neutrophilic elements of cells and tissues; used as a substitute for haematoxylin and eosin. ... (05 Mar 2000) ...

rhodanine
<chemical> Chemical name: 4-Thiazolidinone, 2-thioxo- ... (12 Dec 1998) ...

rhodeose
Synonym for fucose ... <biochemistry> L fucose (6 deoxy L galactose) is found as a constituent of N glycan chains of glycoproteins, it is the only common L form of sugar involved. D fucose is usually encountered as a synthetic galactose analogue. ... (18 Nov 1997) ...

Rhodesian malignant theileriosis
A highly pathogenic protozoan disease of cattle in Zimbabwe caused by Theileria parva bovis and transmitted by the tick Rhipicephalus appendiculatus. ... See: kaodzera. ... Tropical theileriosis, a highly pathogenic protozoan disease of cattle in northern Africa, southern Europe, the Near and Middle East, and central Asia; caused by Theileria annulat …

Rhodesian trypanosomiasis
A disease of humans caused by Trypanosoma brucei rhodesiense in eastern Africa from Ethiopia and Uganda south to Zimbabwe; it is clinically similar to Gambian trypanosomiasis but of shorter duration and more acute in form; patients suffer repeated episodes of pyrexia, become anaemic, and die commonly from cardiac failure. ... Synonym: acute African …

rhodin
A dihydroporphyrin derivative (the two additional hydrogens being at positions 17 and 18) of the type found in chlorophyll b and with a formyl group on position 7 rather than a methyl group. ... (05 Mar 2000) ...

rhodium
<chemistry> A rare element of the light platinum group. It is found in platinum ores, and obtained free as a white inert metal which it is very difficult to fuse. Symbol Rh. Atomic weight 104.1. Specific gravity 12. ... Origin: NL, fr. Gr. 'rodon the rose. So called from the rose-red colour of certain of its solutions. See Rhododendron. ... Sou …

rhodnius
A genus of true bugs of the subfamily triatominae (reduviidae). Its species are vectors of trypanosoma cruzi. ... (12 Dec 1998) ...

rhodo-
Rosy, red colour. ... Origin: G. Rhodon, rose ... (05 Mar 2000) ...

rhodobacter
A genus of gram-negative bacteria widely distributed in fresh water as well as marine and hypersaline habitats. ... (12 Dec 1998) ...

rhodobacter capsulatus
Non-pathogenic ovoid to rod-shaped bacteria that are widely distributed and found in fresh water as well as marine and hypersaline habitats. ... (12 Dec 1998) ...

rhodobacter sphaeroides
Spherical phototrophic bacteria found in mud and stagnant water exposed to light. ... (12 Dec 1998) ...

rhodococcus
A bacterial genus of the order actinomycetales. ... (12 Dec 1998) ...

rhodococcus equi
A species of rhodococcus found in soil, herbivore dung, and in the intestinal tract of cows, horses, sheep, and pigs. It causes bronchopneumonia in foals and can be responsible for infection in humans compromised by immunosuppressive drug therapy, lymphoma, or aids. ... (12 Dec 1998) ...

rhodogenesis
The production of rhodopsin by the combination of 11-cis-retinal and opsin in the dark. ... Origin: rhodopsin + G. Genesis, production ... (05 Mar 2000) ...

rhodophylactic
Relating to rhodophylaxis. ... (05 Mar 2000) ...

rhodophylaxis
The action of the pigment cells of the choroid in preserving or facilitating the reproduction of rhodopsin. ... Origin: rhodopsin + G. Phylaxis, a guarding ... (05 Mar 2000) ...

Rhodophyta
<botany> Division of algae, many of which have branching filamentous forms and red colouration. The latter is due to the presence of phycoerythrin. ... The food reserve is floridean (starch), found outside the plastid. The walls contain sulphated galactans such as carrageenan and agar. ... (23 Aug 1998) ...

rhodopseudomonas
A genus of gram-negative, rod-shaped, phototrophic bacteria found in aquatic environments. Internal photosynthetic membranes are present as lamellae underlying the cytoplasmic membrane. ... (12 Dec 1998) ...

rhodopsin
<protein> Light sensitive pigment formed from retinal linked through a Schiff's base to opsin: rhodopsin is an integral membrane protein found in the discs of retinal rods and cones, comprising some 40% of the membrane. Vertebrate opsins are proteins of 38 kD. ... See: bacteriorhodopsin. ... (18 Nov 1997) ...