Definition:A disease of cellular proliferation that is malignant and primary, characterized by uncontrolled cellular proliferation, local cell invasion and metastasis.
Definition:A disease of mental health that occur during a child's developmental period between birth and age 18 resulting in retarding of the child's psychological or physical development.
Definition:A autosomal dominant intellectual developmental disorder characterized by global developmental delay and impaired intellectual development apparent from infancy that has_material_basis_in heterozygous mutation in the RNF2 gene on chromosome 1q25.