| HL | hairline; hairy leukoplakia; half life; hearing level; hearing loss; heparin lock; histiocytic lymph... |
|---|---|
| Hl | hypermetropia, latent |
| lat | latent; lateral |
| LCM | latent cardiomyopathy; left costal margin; leukocyte-conditioned medium; lowest common multiple; lym... |
| LIBC | latent iron-binding capacity |
| incidental learning | Learning without a direct attempt. Synonym: passive learning. (05 Mar 2000) |
|---|---|
| insight learning | The grasp of the solution to a problem without the intervening series of the trial and error steps that are associated with most types of learning (e.g., a monkey housed behind the bars of a cage who, without proceeding through countless hours of futile attempts with one stick or the other, fits two sticks together to retrieve a banana outside the distance measured by either stick alone). (05 Mar 2000) |
| learning | 1. The acquisition of knowledge or skill; as, the learning of languages; the learning of telegraphy. 2. The knowledge or skill received by instruction or study; acquired knowledge or ideas in any branch of science or literature; erudition; literature; science; as, he is a man of great learning. Book learning. See Book. Synonym: Literature, erudition, lore, scholarship, science, letters. See Literature. Origin: AS. Leornung. Source: Websters Dictionary (01 Mar 1998) |
| learning disability | A disorder in one or more of the basic cognitive and psychological processes involved in understanding or using written or spoken language; may be manifested in age-related impairment in the ability to read, write, spell, speak, or perform mathematical calculations. (05 Mar 2000) |
| learning disorders | Impairment of learning ability due to emotional, environmental or physiological factors. (12 Dec 1998) |
| learning set | A readiness or predisposition to learn developed from previous learning experiences, as when an organism learns to solve each successive problem (of equal or increasing difficulty) in fewer trials. (05 Mar 2000) |
| learning theory | Any of several prominent theories designed to explain learning, especially those promulgated by Pavlov, Thorndike, Guthrie, Hull, Kohler, Spence, Miller, Skinner, and their modern followers. See: conditioning. (05 Mar 2000) |
| early latent syphilis | Infection with Treponema pallidum, the organism of syphilis, after the primary and secondary phases have subsided, during the first year after infection, before any manifestations of tertiary syphilis have appeared. (05 Mar 2000) |
| late latent syphilis | Usually infectious in pregnant women only, who may pass the infection on to the foetus. (05 Mar 2000) |
| latent | Dormant. A state that some cancer cells might assume. (Opp: growing or active). (16 Dec 1997) |
| latent adrenocortical insufficiency | Adrenocortical insufficiency not clinically evident but which can become severe if a sudden stress, such as an intercurrent acute illness, develops. (05 Mar 2000) |
| latent allergy | Allergy that causes no signs or symptoms but can be revealed by means of certain immunologic tests with specific allergens. (05 Mar 2000) |
| latent carcinoma | <tumour> An epithelial neoplasm showing microscopic features of malignancy believed to have remained localised and asymptomatic for a long period; e.g., small carcinoma's of the prostate in old men, often found incidentally at autopsy. (05 Mar 2000) |
| latent carrier | A person, typically a prospective parent, bearing the appropriate genotype of a trait (homozygous for recessive, homozygous or heterozygous for dominant, hemizygous or homozygous for X-linked) that manifests the trait only under certain conditions, e.g., age, an environmental insult, etc. (05 Mar 2000) |
| latent coccidioidomycosis | A form of coccidioidomycosis not differentiated clinically from upper respiratory infections of viral or bacterial aetiology; positive skin tests are useful in demonstrating past and present infections; tests for circulating serum antibodies are prognostic as well as diagnostic in some cases. Synonym: asymptomatic coccidioidomycosis. (05 Mar 2000) |