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Silent Mutation
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D000069456 |
[A change to a DNA SEQUENCE that doesn't change the AMINO ACID SEQUENCE of the protein made.
] |
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Silica Gel
|
D058428 |
[A non-crystalline form of silicon oxide that has absorptive properties. It is commonly used as a desiccating agent and as a stationary phase for CHROMATOGRAPHY. The fully hydrated form of silica gel has distinct properties and is referred to as SILICIC ACID.
] |
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Silicate Cement
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D012823 |
[A relatively hard, translucent, restorative material used primarily in anterior teeth. (From Boucher's Clinical Dental Terminology, 4th ed, p50)
] |
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Silicates
|
D017640 |
[The generic term for salts derived from silica or the silicic acids. They contain silicon, oxygen, and one or more metals, and may contain hydrogen. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th Ed)
] |
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Silicic Acid
|
D012824 |
[A hydrated form of silicon dioxide. It is commonly used in the manufacture of TOOTHPASTES and as a stationary phase for CHROMATOGRAPHY.
] |
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Silicon
|
D012825 |
[A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086].
] |
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Silicon Compounds
|
D017655 |
[Inorganic compounds that contain silicon as an integral part of the molecule.
] |
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Silicon Dioxide
|
D012822 |
[Transparent, tasteless crystals found in nature as agate, amethyst, chalcedony, cristobalite, flint, sand, QUARTZ, and tridymite. The compound is insoluble in water or acids except hydrofluoric acid.
] |
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Silicone Elastomers
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D012826 |
[Polymers of silicone that are formed by crosslinking and treatment with amorphous silica to increase strength. They have properties similar to vulcanized natural rubber, in that they stretch under tension, retract rapidly, and fully recover to their original dimensions upon release. They are used in the encapsulation of surgical membranes and implants.
] |
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Silicone Gels
|
D020034 |
[Synthetic organosiloxane gels that are formed from synthetic polymers of silicone oxide with organic sidechains (polydimethylsiloxane) by lengthening the polymer chains. Unlike silicone elastomers, they are not treated with amorphous silica. They are used as fillers in breast implants.
] |
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Silicone Oils
|
D012827 |
[Organic siloxanes which are polymerized to the oily stage. The oils have low surface tension and density less than 1. They are used in industrial applications and in the treatment of retinal detachment, complicated by proliferative vitreoretinopathy.
] |
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Silicones
|
D012828 |
[A broad family of synthetic organosiloxane polymers containing a repeating silicon-oxygen backbone with organic side groups attached via carbon-silicon bonds. Depending on their structure, they are classified as liquids, gels, and elastomers. (From Merck Index, 12th ed)
] |
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Silicosis
|
D012829 |
[A form of pneumoconiosis resulting from inhalation of dust containing crystalline form of SILICON DIOXIDE, usually in the form of quartz. Amorphous silica is relatively nontoxic.
] |
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Silicotuberculosis
|
D012830 |
[Pulmonary or extrapulmonary infection caused by MYCOBACTERIUM TUBERCULOSIS or nontuberculous mycobacteria in a patient with silicosis.
] |
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Silk
|
D047011 |
[A continuous protein fiber consisting primarily of FIBROINS. It is synthesized by a variety of INSECTS and ARACHNIDS.
] |
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Silo Filler's Disease
|
D012832 |
[A form of alveolitis or PNEUMONITIS caused by hypersensitivity to high level of inhaled nitrogen oxides, decomposition products of silage.
] |
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Silorane Resins
|
D062047 |
[Polymeric resins containing a combination of SILOXANES and OXIRANES.
] |
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Siloxanes
|
D012833 |
[Silicon polymers that contain alternate silicon and oxygen atoms in linear or cyclic molecular structures.
] |
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Silver
|
D012834 |
[An element with the atomic symbol Ag, atomic number 47, and atomic weight 107.87. It is a soft metal that is used medically in surgical instruments, dental prostheses, and alloys. Long-continued use of silver salts can lead to a form of poisoning known as ARGYRIA.
] |
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Silver Compounds
|
D018030 |
[Inorganic compounds that contain silver as an integral part of the molecule.
] |
