Intellectual Developmental Disorder, X-Linked, Syndromic, Turner Type, also known as juberg-marsidi syndrome, is related to microcephaly and syndromic x-linked intellectual disability turner type, and has symptoms including constipation, vomiting and muscle spasticity. An important gene associated with Intellectual Developmental Disorder, X-Linked, Syndromic, Turner Type is HUWE1 (HECT, UBA And WWE Domain Containing E3 Ubiquitin Protein Ligase 1). Affiliated tissues include bone and skeletal muscle, and related phenotypes are intellectual disability and macrocephaly