Polish plait
（重定向自Plica polonica）
![A Polish plait in the Museum of the Faculty of Medicine, Medical College, Jagiellonian University, Kraków, Poland](/Images/godic/202502/03/Plica_polonica_CM_UJ0057.jpg")
Polish plait (Plica polonica in Latin), plica, or trichoma is a formation of hair. This term can refer to a hairstyle, or supposes a medical condition. It also relates to the system of beliefs in European folklore, and healing practices in traditional medicine in Poland that supported neglected, matted hair as an amulet, or as a catchment for illness leaving the body.