What is the definition or description of: spider like fingers?

Arachnodactyly: Refers to the elongated appearance of fingers. It is linked to several disorders including Marfan's syndrome. It is not an illness or disroder by itself that needs treatment, it is a cosmetic difference in the hand.but may represent the presence of another disorder that has important issues such as heart, vision and genetic importance. If you think you have this, speak to your provider