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Dictionary
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D016437 |
[A reference book containing a list of words - usually in alphabetical order - giving information about form, pronunciation, etymology, grammar, and meaning. A foreign-language dictionary is an alphabetical list of words of one language with their meaning and equivalents in another language.
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Dictionary, Chemical
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D000077844 |
[A reference book containing a list of words related to chemistry-usually in alphabetic order-giving information about form, pronunciation, etymology, grammar, and meaning.
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Dictionary, Classical
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D000077803 |
[A reference work containing a list of words related to the Greco-Roman World giving information about form, pronunciation, etymology, grammar, and meaning.
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Dictionary, Dental
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D000077824 |
[A reference book containing a list of words related to dentistry-usually in alphabetic order-giving information about form, pronunciation, etymology, grammar, and meaning.
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Dictionary, Medical
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D000077823 |
[A reference book containing a list of words related to medicine-usually in alphabetic order-giving information about form, pronunciation, etymology, grammar, and meaning.
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Dictionary, Pharmaceutic
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D000077825 |
[A reference book containing a list of words related to pharmacy-usually in alphabetic order-giving information about form, pronunciation, etymology, grammar, and meaning.
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Dictionary, Polyglot
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D004020 |
[Reference list of definitions of words repeated in several languages.
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Dictyocaulus
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D004021 |
[Nematodes parasitic in the bronchi of herbivorous animals.
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Dictyocaulus Infections
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D004022 |
[Infection with nematodes of the genus DICTYOCAULUS. In deer, cattle, sheep, and horses the bronchi are the site of infestation.
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Dictyosteliida
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D016837 |
[An order of protozoa characterized by their ability to aggregate to form a multicellular pseudoplasmodium, which gives rise to a multispored fruiting body. A stalk tube is present.
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Dictyostelium
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D004023 |
[A genus of protozoa, formerly also considered a fungus. Its natural habitat is decaying forest leaves, where it feeds on bacteria. D. discoideum is the best-known species and is widely used in biomedical research.
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Dicumarol
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D001728 |
[An oral anticoagulant that interferes with the metabolism of vitamin K. It is also used in biochemical experiments as an inhibitor of reductases.
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Dicyclohexylcarbodiimide
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D004024 |
[A carbodiimide that is used as a chemical intermediate and coupling agent in peptide synthesis. (From Hawley's Condensed Chemical Dictionary, 12th ed)
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Dicyclomine
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D004025 |
[A muscarinic antagonist used as an antispasmodic and in urinary incontinence. It has little effect on glandular secretion or the cardiovascular system. It does have some local anesthetic properties and is used in gastrointestinal, biliary, and urinary tract spasms.
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Didanosine
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D016049 |
[A dideoxynucleoside compound in which the 3'-hydroxy group on the sugar moiety has been replaced by a hydrogen. This modification prevents the formation of phosphodiester linkages which are needed for the completion of nucleic acid chains. Didanosine is a potent inhibitor of HIV replication, acting as a chain-terminator of viral DNA by binding to reverse transcriptase; ddI is then metabolized to dideoxyadenosine triphosphate, its putative active metabolite.
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Didelphis
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D048293 |
[A genus of large OPOSSUMS in the family Didelphidae, found in the Americas. The species Didelphis virginiana is prominent in North America.
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Dideoxyadenosine
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D016048 |
[A dideoxynucleoside compound in which the 3'-hydroxy group on the sugar moiety has been replaced by a hydrogen. This modification prevents the formation of phosphodiester linkages which are needed for the completion of nucleic acid chains. The compound is an inhibitor of HIV replication, acting as a chain-terminator of viral DNA by binding to reverse transcriptase. Its principal side effect is nephrotoxicity. In vivo, dideoxyadenosine is rapidly metabolized to DIDANOSINE (ddI) by enzymatic deamination; ddI is then converted to dideoxyinosine monophosphate and ultimately to dideoxyadenosine triphosphate, the putative active metabolite.
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Dideoxynucleosides
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D015224 |
[Nucleosides that have two hydroxy groups removed from the sugar moiety. The majority of these compounds have broad-spectrum antiretroviral activity due to their action as antimetabolites. The nucleosides are phosphorylated intracellularly to their 5'-triphosphates and act as chain-terminating inhibitors of viral reverse transcription.
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Dideoxynucleotides
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D054306 |
[The phosphate esters of DIDEOXYNUCLEOSIDES.
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Dieldrin
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D004026 |
[An organochlorine insecticide whose use has been cancelled or suspended in the United States. It has been used to control locusts, tropical disease vectors, in termite control by direct soil injection, and non-food seed and plant treatment. (From HSDB)
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