Read about arachnodactyly medical facts: what is the definition of arachnodactyly, information about the causes, risk factors, prevention, and related arachnodactyly diseases.

Definition: What is "Arachnodactyly"?


Arachnodactyly definition: This disease is also known as "spider fingers" or archromachia. It is referred to as "spider fingers" due to the fact that the fingers are slim & long comparing it to the palm like a spider's legs. This disease can occur after birth or later in life. This disease can happen without any medical conditions but sometimes it is related with some medical condition for instance Marfan Syndrome. Other term for this disease is Dolichostenomelia.


3 common causes: 1. Marfan's Syndrome - is a connective tissue disorder which affects the cardiovascular, skeletal system,skin & eyes. 2. Homocystinuria - a hereditary ailment that is caused by enzyme deficiency. 3. Spondylocostal dysostosis - is an uncommon condition distinguished with a short build because of a short trunk & several morphological deformities of the ribs & vertebrea because of axial skeleton malsegmentation.

Risk Factors

It affects men & women & happens among all races & ethnic groups. Because it is hereditary it is most likely that their offspring will acquire it too.


There is no known cure for this disease at the moment. People who are affected by this disease choose not to have children because their children might acquire the disease. But still if you want to have children even if you have the disease better consult a medical geneticist or genetic counselor that can give you helpful advices on how to go about it. If you think that your child had acquired the disease better consult a physician immediately, early detection can help your child live a productive & active life.

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