Simian line #simian #yousafpalmist The head line and the heart line overlap into a single line, which is called the Simian Line, Simian Crease or Single Transverse Palmar Crease. In other words, you only have two main lines while others have three if a simian line appears in your palm. According to the statistics, approximately 10% of people have the simian line in one palm and 3% in both palms. Clinically, nearly 80% of simian lines are genetic. It is generally acknowledged that for men, the si