| ABC | absolute basophil count; absolute bone conduction; acalculous biliary colic; acid balance control; a... |
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| HELP | Hawaii early learning profile; Health Education Library Program; Health Emergency Loan Program; Heal... |
| HSC | Hand-Schuller-Christian [syndrome]; Health and Safety Commission; health sciences center; health scr... |
| AHSDF | area health service development fund |
| HAD | health care alternatives development; hemadsorption; hospital administration, hospital administrator... |
| development | 1. The act of developing or disclosing that which is unknown; a gradual unfolding process by which anything is developed, as a plan or method, or an image upon a photographic plate; gradual advancement or growth through a series of progressive changes; also, the result of developing, or a developed state. "A new development of imagination, taste, and poetry." (Channing) 2. <biology> The series of changes which animal and vegetable organisms undergo in their passage from the embryonic state to maturity, from a lower to a higher state of organization. 3. <mathematics> The act or process of changing or expanding an expression into another of equivalent value or meaning. The equivalent expression into which another has been developed. 4. The elaboration of a theme or subject; the unfolding of a musical idea; the evolution of a whole piece or movement from a leading theme or motive. <biology> Development theory, the doctrine that animals and plants possess the power of passing by slow and successive stages from a lower to a higher state of organization, and that all the higher forms of life now in existence were thus developed by uniform laws from lower forms, and are not the result of special creative acts. See the Note under Darwinian. Synonym: Unfolding, disclosure, unraveling, evolution, elaboration, growth. Origin: Cf. F. Developpement Alternative forms: developement. Source: Websters Dictionary (01 Mar 1998) |
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| drug development pathway | The various procedures and studies that must be undertaken to satisfy Food and Drug Administration requirements for drug approval and marketing. (14 Nov 1997) |
| early development | An early stage in the life cycle of a bacteriophage (a virus which infects bacteria) that occurs after infection but before replication of the bacteriophage genome. (09 Oct 1997) |
| foetal development | Morphologic and physiologic growth and development of the mammalian embryo or foetus. (12 Dec 1998) |
| language development | The gradual expansion in complexity and meaning of symbols and sounds as perceived and interpreted by the individual through a maturational and learning process. Stages in development include babbling, cooing, word imitation with cognition, and use of short sentences. (12 Dec 1998) |
| language development disorders | Failure to understand or speak the language at the expected age. Causal factors include slow maturation, hearing loss, brain injury, mental retardation and emotional disorders. (12 Dec 1998) |
| library collection development | Development of a library collection, including the determination and coordination of selection policy, assessment of needs of users and potential users, collection use studies, collection evaluation, identification of collection needs, selection of materials, planning for resource sharing, collection maintenance and weeding, and budgeting. (12 Dec 1998) |
| absent state | The saemiconscious state associated with an epileptic attack. Synonym: absent state. (05 Mar 2000) |
| activated state | <chemistry, radiobiology> An atom or nucleus which possesses more energy than its ground state energy. (16 Dec 1997) |
| acute confusional state | <psychiatry> A condition of severe confusion or rapid change in brain function. This often occurs as the result of a mental illness or physical illness. Symptoms include lethargy, agitation, confusion, disorientation and delirium. (27 Sep 1997) |
| anxiety tension state | A milder form of an anxiety disorder. See: anxiety disorders. (05 Mar 2000) |
| apallic state | Diffuse, bilateral cerebral cortical degeneration caused by head injury, anoxia, or encephalitis, a state of persistent unresponsiveness, such as akinetic mutism, caused by brain damage. See: vegetative. Synonym: apallic syndrome, apallic. (05 Mar 2000) |
| carrier state | A condition in which a human who is not himself sick harbors an infective organism which may cause disease in those to whom it is transmitted. (12 Dec 1998) |
| refractory state | Subnormal excitability immediately following a response to previous excitation; the state is divided into absolute and relative phases. (05 Mar 2000) |
| central excitatory state | The building up of excitatory influences produced by individual impulses finally causes firing of the next neuron. (05 Mar 2000) |