👉 Cossaean is a term used in the context of medicine, specifically in the field of dermatology. It refers to a type of skin disease characterized by the appearance of dry patches on the surface of the skin. These patches can be categorized into two types: coccotic and non-coccotic. Coccotic patches are often found in patients with psoriasis or eczema, while non-coccotic patches may occur in individuals with other conditions such as dermatitis or urticaria