D factor
| algae and fungi | Algae represent a group of spore-propagating plants, unicellular or undifferentiated into root, stem, and leaf. They include seaweed and many unicellular fresh water plants, most of which contain chlorophyll. They account for about 90% of the earth's photosynthetic activity. Fungi are eukaryotic, heterotrophic organisms that live as saprobes or parasites and include mushrooms, yeasts, smuts, molds, etc. They lack chlorophyll. (12 Dec 1998) |
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| alkyl and aryl transferases | <enzyme> A somewhat heterogeneous class of enzymes that catalyze the transfer of alkyl or related groups (excluding methyl groups). Registry number: EC 2.5 (12 Dec 1998) |
| allergy and immunology | A medical specialty concerned with the hypersensitivity of the individual to foreign substances and protection from the resultant infection or disorder. (12 Dec 1998) |
| alligators and crocodiles | Large, long-tailed reptiles, including caimans, of the order loricata. (12 Dec 1998) |
| Amine Precursor Uptake and Decarboxylation | <pharmacology, physiology> Paracrine cells of which argentaffin cells are an example. Usage of the term APUD is neither helpful nor memorable. Acronym: APUD (11 Nov 1997) |
| amino acids, peptides, and proteins | Amino acids and chains of amino acids connected by peptide linkages. (12 Dec 1998) |
| Anderson and Goldberger test | A test for typhus in which the patient's blood is injected into a guinea pig's peritoneal cavity. In typhus a typical temperature curve will be observed. (05 Mar 2000) |
| anniversaries and special events | Occasions to commemorate an event or occasions designated for a specific purpose. (12 Dec 1998) |
| anonyms and pseudonyms | Designations for persons whose names are not known or who wish to remain anonymous (anonyms) and for persons who wish to conceal or obscure their identity by assuming a fictitious name (pseudonyms). (12 Dec 1998) |
| anti-allergic and respiratory system agents | A collective term for drugs used to treat allergic reactions as well as those drugs that produce an effect on the respiratory system. (12 Dec 1998) |
| antineoplastic and immunosuppressive agents | Collective grouping for substances used to arrest the proliferation of malignant cells and those that suppress the immune response. (12 Dec 1998) |
| appointments and schedules | The different methods of scheduling patient visits, appointment systems, individual or group appointments, waiting times, waiting lists for hospitals, walk-in clinics, etc. (12 Dec 1998) |
| artery of bernasconi and cassinari | <radiology> Tentorial artery, first branch of meningohypophyseal trunk (branch from juxtasellar ICA), can indicate pathology such as: meningioma, fistula, AVM (12 Dec 1998) |
| atrophoderma of Pasini and Pierini | A form of slate-coloured atrophy of the skin occurring in discrete, 2-cm or larger lesions, either singly or multiply, and occasionally confluent, increasing in number and size over a period of years and then remaining constant; thought by some to be of two types: one preceded by morphea, and the other appearing with no preceding identifiable pathology. (05 Mar 2000) |
| bacterial infections and mycoses | Infections caused by bacteria and fungi, general, specified, or unspecified. (12 Dec 1998) |