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. (From American Psychiatric Glossary, 6th ed)

Descriptor ID	D002658
MeSH Number(s)	F03.625.421
Concept/Terms	Developmental Disabilities Developmental Disabilities Disabilities, Developmental Developmental Disability Disability, Developmental Development Disorders, Child Child Development Disorder Development Disorder, Child Child Development Disorders Child Development Disorders, Specific Child Development Disorders, Specific Developmental Delay Disorders Developmental Delay Disorder Child Development Deviations Child Development Deviations Child Development Deviation Development Deviation, Child Development Deviations, Child Deviation, Child Development

Below are MeSH descriptors whose meaning is more general than "Developmental Disabilities".

Below are MeSH descriptors whose meaning is related to "Developmental Disabilities".

Below are MeSH descriptors whose meaning is more specific than "Developmental Disabilities".