Skip to content
EntityQ2051565· pop 15· linked from 125 articles

arachnodactyly

Sign in to save

Also known as achromachia

Arachnodactyly ("spider fingers") is a medical condition that is characterized by fingers and toes that are abnormally long and slender, in comparison to the palm of the hand and arch of the foot. In some cases, the thumbs of an individual with the condition are pulled inwards towards the palm. This condition is present at birth.

Key facts

Medical condition (new).name
Arachnodactyly
Medical condition (new).image
Aracnodactilia.jpg
Medical condition (new).caption
Bilateral arachnodactyly
Medical condition (new).synonyms
Achromachia
Medical condition (new).complications
None
Medical condition (new).onset
Birth
Medical condition (new).duration
Life-long
Medical condition (new).causes
Mutations in the fibrillin-2 gene, in chromosome 5q23, or the fibrillin-1 gene, at chromosome 15q21.1

via Wikipedia infobox

Research

977 papers

via PubMed

~1 min read

Encyclopedic overview

5 sections
Contents
  • Causes
  • Notable cases
  • See also
  • References
  • External links

Arachnodactyly ("spider fingers") is a medical condition that is characterized by fingers and toes that are abnormally long and slender, in comparison to the palm of the hand and arch of the foot. In some cases, the thumbs of an individual with the condition are pulled inwards towards the palm. This condition is present at birth.

==Causes== This feature can occur on its own with no underlying health problems, or it can be associated with certain medical conditions, including Marfan syndrome, Ehlers–Danlos syndromes, Loeys–Dietz syndrome, and homocystinuria. It is also seen in congenital contractural arachnodactyly, which is caused by mutation in the gene encoding fibrillin-2 on chromosome 5q23.

Excerpted from Wikipedia’s “arachnodactyly” article, available under the CC BY-SA 4.0 licence.