| PPDs | (Tuberculin) Purified Protein Derivatives |
|---|---|
| hal | halogen; halothane |
| HP | halogen phosphorus; handicapped person; haptoglobin; hard palate; Harvard pump; health profession(al... |
| AAA | abdominal aortic aneurysm/aneurysmectomy; acne-associated arthritis; acquired aplastic anemia; acute... |
| AAAD | aromatic amino acid decarboxylase |
| HAH | Halogenated aromatic hydrocarbons |
|---|---|
| nitro-PAHs | Nitro-polycyclic aromatic hydrocarbons |
| DRO | Differential Reinforcement of Other Behaviour |
| MOTT | Mycobacteria Other Than Tuberculosis |
| OND | Other Neurological Diseases |
| polycyclic hydrocarbons, aromatic | <chemical> A major group of unsaturated cyclic hydrocarbons containing two or more rings. The vast number of compounds of this important group, derived chiefly from petroleum and coal tar, are rather highly reactive and chemically versatile. The name is due to the strong and not unpleasant odour characteristic of most substances of this nature. Pharmacological action: carcinogens. (12 Dec 1998) |
|---|---|
| hydrocarbons, aromatic | Organic compounds composed exclusively of carbon and hydrogen. They are unsaturated hexagonal ring structures with a closed conjugated system of double bonds that gives them the characteristic chemical properties of the parent aromatic hydrocarbon, benzene. (12 Dec 1998) |
| halogen | <chemistry> An electronegative element or radical, which, by combination with a metal, forms a haloid salt; especially, chlorine, bromine, and iodine; sometimes, also, fluorine and cyanogen. See Chlorine family, under Chlorine. Origin: Gr. "als, "alos, salt + -gen: cf. F. Halogene. Source: Websters Dictionary (01 Mar 1998) |
| halogen acne | An acneform eruption caused by bromides or iodides. (05 Mar 2000) |
| other-directed | Pertaining to a person readily influenced by the attitudes of others. (05 Mar 2000) |
| transferases (other substituted phosphate groups) | <enzyme> A class of enzymes that transfers substituted phosphate groups. Registry number: EC 2.7.8 (12 Dec 1998) |
| atropine derivatives | Analogs and derivatives of atropine. (12 Dec 1998) |
| water-soluble chlorophyll derivatives | The copper complex of sodium and/or potassium salts of saponified chlorophyll, used topically for deodorization of chronic lesions and to promote wound repair. (05 Mar 2000) |
| morphine derivatives | Analogs or derivatives of morphine. (12 Dec 1998) |
| polycyclic hydrocarbons | Hydrocarbons consisting of two or more fused ring structures. (12 Dec 1998) |
| scopolamine derivatives | Analogs or derivatives of scopolamine. (12 Dec 1998) |
| hydrocarbons, acyclic | Organic compounds composed exclusively of carbon and hydrogen where no carbon atoms join to form a ring structure. (12 Dec 1998) |
| hydrocarbons, alicyclic | Organic compounds composed exclusively of carbon and hydrogen. Three or more carbon atoms are arranged in a cyclic structure and they possess aliphatic properties. (12 Dec 1998) |
| hydrocarbons, cyclic | Organic compounds composed exclusively of carbon and hydrogen forming a closed ring that may be either alicyclic or aromatic. (12 Dec 1998) |
| indanedione derivatives | Anticoagulants similar to warfarin in action. Anisindione and phenindione are clinically used; diphenadione is very long acting and used as a rodenticide. (05 Mar 2000) |
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