Do you have a simian line?

The simian line. A simian line variant. A simian crease variant. A single transverse crease variant. A perfect simian line!

The simian line The simian line has been well-known since R.L. Down discovered in 1906 it’s significance in Down syndrome – it was his father who actually discovered the Down syndrome in 1866. Since then the simian line has been studied in many other aspects of life. The full article presents an overview of the most relevant aspects of the simian line. HOW TO RECOGNIZE A SIMIAN LINE? A typical ‘simian line’ is characterized by the presence of a single line that runs across the palm of the hand. People normally have three major hand creases in their palms. Only when the simian line is present there are only two major creases. By the way, the simian line can manifest in various line constellations in the palm: some examples are present at the left. SIMIAN LINE SYNONYMS The most popular alternative names for the ‘simian line’ are: simian crease single palmar transverse crease simian fold WHAT DOES A SIMIAN LINE MEAN? The simian line appears to be related to rich scala of medical problems. Wrongdiagnosis.com presents a list of 93 causes of the simian crease, including Down syndrome, fragile-x syndrome and the cat-cry syndrome. However, one should never forget that the simian line (simian crease) is also found in the hands of perfectly healthy people! FULL ARTICLE: The simian line: a notorious hand crease! MORE HAND NEWS: HANDS IN THE NEWS