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Orthoptics
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D009988 |
[The study and treatment of defects in binocular vision resulting from defects in the optic musculature or of faulty visual habits. It involves a technique of eye exercises designed to correct the visual axes of eyes not properly coordinated for binocular vision.
] |
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Orthoreovirus
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D018165 |
[A species of ORTHOREOVIRUS isolated from baboons suffering from meningoencephalomyelitis.
, A species of ORTHOREOVIRUS isolated from the flying fox.
, A genus of the family REOVIRIDAE infecting vertebrates only. Transmission is horizontal and infected species include humans, birds, cattle, monkeys, sheep, swine, baboons, and bats. MAMMALIAN ORTHOREOVIRUS is the type species.
] |
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Orthoreovirus, Avian
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D030101 |
[A species of ORTHOREOVIRUS infecting birds, with outcomes ranging from inapparent to lethal depending on the virus strain and age of the host bird. This species does not infect mammals.
] |
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Orthoreovirus, Mammalian
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D030102 |
[A species of ORTHOREOVIRUS infecting mammals (other than baboons). There are four serotypes. In humans they are generally benign but may sometimes cause upper respiratory tract illness or enteritis in infants and children. MAMMALIAN ORTHOREOVIRUS 3 is a very pathogenic virus in laboratory rodents.
] |
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Orthosiphon
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D031342 |
[A plant genus of the family LAMIACEAE that contains pimarane-type diterpenes. Several species of Orthosiphon are also called Java tea.
] |
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Orthostatic Intolerance
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D054971 |
[Symptoms of cerebral hypoperfusion or autonomic overaction which develop while the subject is standing, but are relieved on recumbency. Types of this include NEUROCARDIOGENIC SYNCOPE; POSTURAL ORTHOSTATIC TACHYCARDIA SYNDROME; and neurogenic ORTHOSTATIC HYPOTENSION. (From Noseworthy, JH., Neurological Therapeutics Principles and Practice, 2007, p2575-2576)
] |
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Orthotic Devices
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D009989 |
[Apparatus used to support, align, or augment the functioning of parts of the body.
] |
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Oryza
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D012275 |
[A genus of grass family (Poaceae) that include several rice species.
, Annual cereal grass of the family POACEAE. Its starchy, EDIBLE GRAIN, rice, is the staple food of roughly one-half of the world's population.
] |
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Oryzias
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D009990 |
[Common name for a species in the genus Oryzias.
, Common name of the family Oryziinae, which only contains the one genus ORYZIAS.
, The only genus in the family Oryziinae, order BELONIFORMES. Oryzias are egg-layers; other fish of the same order are livebearers. Oryzias are used extensively in testing carcinogens.
] |
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Oscillatoria
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D054300 |
[A genus of filamentous CYANOBACTERIA in the order Oscillatoriales. It is commonly found in freshwater environments, especially hot springs.
] |
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Oscillometry
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D009991 |
[The measurement of frequency or oscillation changes.
] |
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Oseltamivir
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D053139 |
[The acid form.
, An acetamido cyclohexene that is a structural homolog of SIALIC ACID and inhibits NEURAMINIDASE.
, The acetate prodrug of GS 4071.
] |
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Osmeriformes
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D036441 |
[Species in the family Galaxiidae, which lives in freshwater streams, but spends some time in the ocean.
, Family of mostly freshwater fish, in the order OSMERIFORMES.
, An order of fish including smelts, galaxiids, and salamanderfish.
, Family of mostly marine fish, in the order OSMERIFORMES, found only in the north Pacific, north Atlantic, and Arctic regions.
, Species of fish, in the family Osmeridae, found in Japan, Korea, Taiwan, and China.
] |
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Osmium
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D009992 |
[A very hard, gray, toxic, and nearly infusible metal element, atomic number 76, atomic weight 190.2, symbol Os.
] |
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Osmium Compounds
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D017892 |
[Inorganic compounds that contain osmium as an integral part of the molecule.
] |
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Osmium Tetroxide
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D009993 |
[(T-4)-Osmium oxide (OsO4). A highly toxic and volatile oxide of osmium used in industry as an oxidizing agent. It is also used as a histological fixative and stain and as a synovectomy agent in arthritic joints. Its vapor can cause eye, skin, and lung damage.
] |
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Osmolar Concentration
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D009994 |
[The concentration of osmotically active particles in solution expressed in terms of osmoles of solute per liter of solution. Osmolality is expressed in terms of osmoles of solute per kilogram of solvent.
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Osmometry
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D061286 |
[Measurement of the OSMOLARITY of solutions or BODY FLUIDS.
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Osmoregulation
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D064587 |
[The response of cells in sensing a difference in OSMOTIC PRESSURE between the inside and outside of the cell. This response includes signaling from osmotic sensors to activate transcription factors, which in turn regulate the expression of osmocompensatory genes, all functioning to maintain CELL VOLUME and the water concentration inside the cells.
] |
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Osmosis
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D009995 |
[Tendency of fluids (e.g., water) to move from the less concentrated to the more concentrated side of a semipermeable membrane.
] |
