Glossary

Searchable terminology from accessibility, web standards, and related fields.

Partial Trisomy 9p (9p Duplication Syndrome, Rethore Syndrome)

A rare chromosomal condition in which a portion of the short arm of chromosome 9 is present in triplicate rather than in duplicate. The condition is associated with intellectual disability, distinctiv…

• Conditions
• Intellectual Disability
• Rare Diseases
• Neurodevelopmental

Postsecondary Education for Students with Intellectual Disabilities (PSEID, Inclusive Postsecondary Education, College Programs for ID)

Educational programs at colleges and universities designed to include students with intellectual disabilities in campus life, academics, and career preparation. Unlike traditional special education th…

• Education
• Intellectual Disability
• Inclusive Education
• employment

Rett Syndrome (RTT)

A rare, X-linked neurodevelopmental disorder caused in most cases by mutations in the MECP2 gene, affecting almost exclusively females. After typical early development, children with Rett syndrome los…

• Conditions
• Intellectual Disability
• Neurodevelopmental
• Rare Diseases