👉 Labialisation is a process in which the lips of an animal, such as a human or chimpanzee, become more prominent and appear to be "labeled" on their tongue. This can occur due to changes in the structure of the tongue or the development of certain glands that produce saliva. The exact mechanism for labialisation varies between different species and is not fully understood. It may involve changes in the shape, size, or color of the lips, as well as other changes in the
