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ornipresin

A synthetic analog of vasopressin with ORNITHINE substitution at residue 8 of the cyclic nonapeptide. It is used as a local vasoconstrictor and hemostatic.
MSH

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ornithin

An amino acid produced in the urea cycle by the splitting off of urea from arginine.
MSH

amino acid produced in the urea cycle by the splitting off of urea from arginine; it is not incorporated into proteins.
CSP

Amino acid with side chain – (CH2)3NH3+.
NCI

A naturally occurring amino acid found in meat, fish, dairy and eggs. Ornithine is one of the key reactants in the urea cycle that is responsible for 80% of the nitrogen excretion in the body. Ornithine enhances liver function and helps detoxify harmful substances.
NCI

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transaminasa ornithin-oxokyselin

A pyridoxal phosphate enzyme that catalyzes the formation of glutamate gamma-semialdehyde and an L-amino acid from L-ornithine and a 2-keto-acid. EC 2.6.1.13.
MSH

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ornithinkarbamoyltransferasa

A urea cycle enzyme that catalyzes the formation of orthophosphate and L-citrulline (CITRULLINE) from CARBAMOYL PHOSPHATE and L-ornithine (ORNITHINE). Deficiency of this enzyme may be transmitted as an X-linked trait. EC 2.1.3.3.
MSH

Ornithine carbamoyltransferase, mitochondrial (354 aa, ~40 kDa) is encoded by the human OTC gene. This protein plays a role in the metabolism of ornithine.
NCI

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ornithindekarboxylasa

A pyridoxal-phosphate protein, believed to be the rate-limiting compound in the biosynthesis of polyamines. It catalyzes the decarboxylation of ornithine to form putrescine, which is then linked to a propylamine moiety of decarboxylated S-adenosylmethionine to form spermidine. EC 4.1.1.17.
MSH

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psitakóza

Infection with CHLAMYDOPHILA PSITTACI (formerly Chlamydia psittaci), transmitted to humans by inhalation of dust-borne contaminated nasal secretions or excreta of infected BIRDS. This infection results in a febrile illness characterized by PNEUMONITIS and systemic manifestations.
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oroantrální píštěl

A fistula between the maxillary sinus and the oral cavity.
MSH

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orofaciodigitální syndromy

Two syndromes of oral, facial, and digital malformations. Type I (Papillon-Leage and Psaume syndrome, Gorlin-Psaume syndrome) is inherited as an X-linked dominant trait and is found only in females and XXY males. Type II (Mohr syndrome) is inherited as an autosomal recessive trait.
MSH

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orofarynx – nádory

Tumors or cancer of the OROPHARYNX.
MSH

new abnormal oropharnyngeal tissue that grows by excessive cellular division and proliferation more rapidly than normal and continues to grow after the stimuli that initiated the new growth cease; oral pharyngeal refers to the region of the body between the lips and the oropharynx, which is pharynx below the soft palate and above the epiglottis.
CSP

Abnormal growth of the cells that comprise the oropharynx.
NCI

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orosomukoid

family of plasma proteins with oligosaccharide side chains or glycoproteins believed to be associated with inflammation.
CSP

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orotátfosforibosyltransferasa

The enzyme catalyzing the formation of orotidine-5`-phosphoric acid (orotidylic acid) from orotic acid and 5-phosphoribosyl-1-pyrophosphate in the course of pyrimidine nucleotide biosynthesis. EC 2.4.2.10.
MSH

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orotidin-5`-fosfátdekarboxylasa

Orotidine-5`-phosphate carboxy-lyase. Catalyzes the decarboxylation of orotidylic acid to yield uridylic acid in the final step of the pyrimidine nucleotide biosynthesis pathway. EC 4.1.1.23.
MSH

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léky ojedinělé – výroba

Production of drugs or biologicals which are unlikely to be manufactured by private industry unless special incentives are provided by others.
MSH

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orfenadrin

A muscarinic antagonist used to treat drug-induced parkinsonism and to relieve pain from muscle spasm.
MSH

A muscarinic antagonist with muscle relaxant activity. Although the mechanism of action has not been determined, orphenadrine appears to block muscarinic acetylcholine receptors as well as N-methyl-D-aspartate (NMDA) receptors in the central nervous system (CNS). This may interfere with the transmission of nerve impulses from the spinal cord to the muscles and may help relax muscles. In addition, orphenadrine exerts antagonistic effects on histamine H1 receptors.
NCI

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Orphenadrine Citrate

The citrate salt form of orphenadrine with a muscle relaxant property. Although the mechanism of action has not been fully elucidated, orphenadrine citrate appears to block cholinergic receptors, thereby interfering with the transmission of nerve impulses from the spinal cord to the muscles. It does not produce myoneural block, nor does it affect crossed extensor reflexes.
NCI

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ortodoncie – přístroje

Devices used for influencing tooth position. Orthodontic appliances may be classified as fixed or removable, active or retaining, and intraoral or extraoral. (Boucher`s Clinical Dental Terminology, 4th ed, p19)
MSH

appliance which is used for the correction, guidance or adjustment of malformed, injured or diseased dentofacial structure; including those which reposition dental bones.
CSP

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ortodontické dráty

Wires of various dimensions and grades made of stainless steel or precious metal. They are used in orthodontic treatment.
MSH

An orthodontic appliance and accessories is a device intended for use in orthodontic treatment. The device is affixed to a tooth so that pressure can be exerted on the teeth. This device includes the preformed orthodontic band, orthodontic band material, orthodontic elastic band, orthodontic metal bracket, orthodontic wire clamp, preformed orthodontic space maintainer, orthodontic expansion screw retainer, orthodontic spring, orthodontic tube, and orthodontic wire.
SPN

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ortodoncie

A dental specialty concerned with the prevention and correction of dental and oral anomalies (malocclusion).
MSH

dental specialty concerned with the prevention and correction of dental and oral anomalies, irregularities and malocclusions.
CSP

The branch of dentistry dealing with the prevention or correction of irregularities of the teeth. (WordNet)
NCI

A dental specialty concerned with the prevention and correction of dental and oral anomalies
CHV

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ortodoncie korekční

The phase of orthodontics concerned with the correction of malocclusion with proper appliances and prevention of its sequelae (Jablonski`s Illus. Dictionary of Dentistry).
MSH

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ortodoncie záchytná

Recognition and elimination of potential irregularities and malpositions in the developing dentofacial complex.
MSH

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ortomolekulární terapie

The use of very large doses of vitamins or other naturally occurring substances normally present in the body, frequently for the treatment of mental disorders.
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Orthomyxoviridae

RNA viruses; virus attaches to host cell receptors and enters by fusion of virus envelope with plasma membrane; wide host range, including man, pigs, horses and birds; transmission is by contact or by aerosol and waterborne.
CSP

A family of RNA viruses causing INFLUENZA and other diseases. There are five recognized genera: INFLUENZAVIRUS A; INFLUENZAVIRUS B; INFLUENZAVIRUS C; ISAVIRUS; and THOGOTOVIRUS.
MSH

A family of negative-strand single-strand RNA viruses which includes Influenza viruses.
NCI

Any of the viruses capable of causing the respiratory tract infection commonly called the flu.
NCI

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Orthomyxoviridae – infekce

virus diseases caused by Orthomyxoviridae.
CSP

Virus diseases caused by the ORTHOMYXOVIRIDAE.
MSH

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orthomyxovirus typu A ptáků

A subtype of type A influenza virus found chiefly in birds, but infections with these viruses can occur in humans.
NCI

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virus chřipky A

A negative-strand linear single-strand RNA virus with an 8 segment genome. Virions are enveloped and usually spherical or pleomorphic, 80-120 nm in diameter. Subtyping is based on the antigenic properties of the hemagglutinin and neuraminidase proteins. Influenza type A viruses can infect people, birds, pigs, horses, and other animals, but wild birds are the natural hosts for these viruses.
NCI

One of three types of virus that cause the illness called influenza (flu). The influenza A virus can infect people, birds, pigs, horses, and other animals. It is the main cause of most influenza epidemics.
NCI

The type species of the genus INFLUENZAVIRUS A that causes influenza and other diseases in humans and animals. Antigenic variation occurs frequently between strains, allowing classification into subtypes and variants. Transmission is usually by aerosol (human and most non-aquatic hosts) or waterborne (ducks). Infected birds shed the virus in their saliva, nasal secretions, and feces.
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virus chřipky B

A negative-strand linear single-strand RNA virus with an 8 segment genome. Virions are enveloped and usually spherical or pleomorphic, 50-120 nm in diameter. Influenza B viruses are usually found only in humans. Unlike influenza A viruses, these viruses are not classified according to subtype.
NCI

Species of the genus INFLUENZAVIRUS B that cause HUMAN INFLUENZA and other diseases primarily in humans. Antigenic variation is less extensive than in type A viruses (INFLUENZA A VIRUS) and consequently there is no basis for distinct subtypes or variants. Epidemics are less likely than with INFLUENZA A VIRUS and there have been no pandemics. Previously only found in humans, Influenza B virus has been isolated from seals which may constitute the animal reservoir from which humans are exposed.
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virus chřipky C

A genus of the family ORTHOMYXOVIRIDAE comprising viruses similar to types A and B but less common, more stable, more homogeneous, and lacking the neuraminidase protein. They have not been associated with epidemics but may cause mild influenza. Influenza C virus is the type species.
MSH

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ortopedie – vybavení

Nonexpendable items used in the performance of orthopedic surgery and related therapy. They are differentiated from ORTHOTIC DEVICES, apparatus used to prevent or correct deformities in patients.
MSH

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ortopedické fixační pomůcky

Devices which are used in the treatment of orthopedic injuries and diseases.
MSH

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ortopedie

A surgical specialty which utilizes medical, surgical, and physical methods to treat and correct deformities, diseases, and injuries to the skeletal system, its articulations, and associated structures.
MSH

branch of surgery that is especially concerned with the preservation and restoration of the functions of the skeletal system, its articulations and associated structures.
CSP

profession
CHV

The branch of surgery broadly concerned with the skeletal system (bones and joints). (from On-line Medical Dictionary)
NCI

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