| Denver Developmental Screening Test | A scale used by psychologists and paediatricians to assess the developmental, intellectual, motor, and social maturity of children at any age level from birth to adolescence. (05 Mar 2000) |
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| Denver classification | A system of nomenclature for human mitotic chromosomes, based on length and position of the centromere. Origin: Denver,, Colourado, where agreed upon (05 Mar 2000) |
| Denver shunt | LeVeen-type shunt with an implanted, valved, manually compressible chamber used to determine and maintain patency. (05 Mar 2000) |
| screening test | Any testing procedure designed to separate people or objects according to a fixed characteristic or property. (05 Mar 2000) |
| gene expression regulation, developmental | Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control of gene action during the developmental stages of an organism. (12 Dec 1998) |
| pervasive developmental disorder | A class of mental disorders of infancy, childhood, or adolescence characterised by distortions in the development of the multiple basic psychological functions involved in the development of social skills and language. (05 Mar 2000) |
| Streeter's developmental horizon | A term borrowed from geology and archeology by Streeter to define 23 developmental stages in young human embryos, from fertilization through the first 2 months; each horizon spanned 2 to 3 days and emphasized specific anatomic characteristics, to avoid discrepancies in the determination of age and body dimensions. Origin: G.L. Streeter (05 Mar 2000) |
| delay, developmental | Behind schedule in reaching milestones of early childhood development. (12 Dec 1998) |
| developmental age | Age estimated by anatomic development since implantation, the degree of anatomic, physiologic, mental, and emotional maturation. Synonym: foetal age. (05 Mar 2000) |
| developmental anatomy | Anatomy of the structural changes of an individual from fertilization to adulthood; includes embryology, fetology, and postnatal development. (05 Mar 2000) |
| developmental anomaly | An anomaly established during intrauterine life; a congenital anomaly. (05 Mar 2000) |
| developmental biology | <study> The study of how a multicellular organism develops from its early immature forms (zygote, larva, embryo, etc.) into an adult. (09 Oct 1997) |
| developmental brain tumours | <radiology> 1% of all brain tumours, germ-cell tumours, epidermoid more than dermoid more than > Teratoma, usually midline, craniopharyngioma, colloid cyst, lipoma, hamartoma (12 Dec 1998) |
| developmental delay | Behind schedule in reaching milestones of early childhood development. (12 Dec 1998) |
| developmental disabilities | Disorders in which there is a delay in development based on that expected for a given age level or stage of development. These impairments or disabilities originate before age 18, may be expected to continue indefinitely, and constitute a substantial impairment. Biological and nonbiological factors are involved in these disorders. (12 Dec 1998) |