Mental retardation - hypocupremia - hypobetalipoproteinemia: A very rare syndrome characterized mainly by mental retardation, low blood copper levels and low betalipoprotein levels in the blood.
Medrano-Roldan syndrome: A very rare syndrome characterized mainly by mental retardation, reduced muscle tone and increased skin pigmentation.
Mental retardation - macrocephaly - coarse facies - hypotonia: A very rare syndrome characterized mainly by mental retardation, large head, coarse face and reduced muscle tone.
A very rare syndrome characterized mainly by mental retardation, small head, facial and bone abnormalities in the fingers and toes.
Mental retardation, Mietens-Weber type: A very rare genetic condition characterized by mental retardation, corneal opacity, nystagmus, elbow contractures and dwarfism.
Mental retardation - short stature - cleft palate - unusual facies: A very rare syndrome characterized mainly by short stature, mental retardation, cleft palate and facial anomalies.
Mental retardation - short stature - deafness - genital: A very rare syndrome characterized mainly by mental retardation, short stature, deafness and genital abnormalities.
Mental retardation - short stature - hand contractures - genital anomalies: A very rare syndrome characterized mainly by mental retardation, short stature, hand contractures and genital abnormalities.
Mental retardation - short stature - heart and skeletal anomalies: A very rare syndrome characterized mainly by mental retardation, short stature and heart and skeletal anomalies.
Mental retardation - short stature - microcephaly - eye anomalies: A very rare syndrome characterized mainly by mental retardation, short stature, small head and eye abnormalities. It has only been reported in one family.
Unusual facies, short webbed neck, mental retardation, short stature: A rare syndrome characterized by an unusual facial appearance, short webbed neck, mental retardation and short stature
Mental retardation - skeletal dysplasia - abducens palsy: A very rare syndrome characterized mainly by mental retardation, skeletal abnormalities and weakness of an eye muscle.
Smith-Fineman-Myers syndrome (SFMS) is a rare and severe type of X-linked inherited mental retardation.
Mental retardation - spasticity - ectrodactyly: A very rare syndrome characterized mainly by mental retardation, spasticity and a cleft hand. In the reported case, the parents came from the same bloodline
Mental retardation syndrome, Belgian type: A rare form of mental retardation reported in a Belgian family
Mental retardation - unusual facies - talipes - hand anomalies: A very rare syndrome characterized mainly by mental retardation, unusual facial appearance, clubfoot and hand abnormalities.
A very rare syndrome characterized mainly by mental retardation, unusual facial appearance, clubfoot and hand abnormalities.
Mental retardation, Wolff type: A very rare syndrome characterized mainly by severe mental retardation and facial anomalies. The parents came from the same bloodline.
Mental retardation x linked borderline maoa metabolism anomaly (medical condition): A very rare syndrome characterized mainly by mental retardation and lower than normal levels of monoamine oxidase A (MAOA) activity. Low levels of MAOA have been implicated with increased behavioral problems such as violence and impulsiveness.
Mental retardation, X-linked, Brunner type: A very rare disorder where a deficiency of monoamine oxidase A causesmild mental retardation and behavioral problems.
Mental retardation X-linked dysmorphism: A very rare syndrome characterized mainly by mental retardation, partially dislocated knees and teeth and facial abnormalities.
Mental retardation, X-linked - dystonia - dysarthria: A very rare X-linked disorder characterized by the association of mental retardation with dystonia (movement disorder) and dysarthria (speech disorder).
Mental retardation X-linked syndromic 7: A very rare syndrome characterized mainly by mental retardation, obesity, hypogonadism and tapered fingers.
Mental retardation X-linked, South African type: A very rare syndrome characterized mainly by mental retardation, mutism, facial anomalies, epilepsy and weak eye muscles. Males tended to have severe mental retardation whereas female carriers had mild or no mental retardation.
Mental retardation - epileptic seizures - hypogonadism - hypogenitalism -microcephaly - obesity: A very rare syndrome characterized mainly by mental deficiency, epilepsy, small head, small genitals and obesity. Death occurs within the first two years of life.