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📋Overview
Arachnodactyly describes a physical observation where the digits appear disproportionately thin and elongated, resembling the legs of a spider. This skeletal finding is generally recognized as a clinical sign rather than an independent medical diagnosis.
This feature is often associated with certain genetic connective tissue disorders, most notably Marfan syndrome and homocystinuria. Because it can be an indicator of these broader conditions, clinical evaluation usually prioritizes identifying any underlying systemic health issues.
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