There are four measurement scales (or types of data): nominal, ordinal, interval and ratio. These are simply ways to categorize different types of variables.ote: a sub-type of nominal scale with only two categories (e.g. male/female) is called â dichotomous .â If you are a student, you can use that to impress your teacher. Continue reading about types of data and measurement scales: nominal, ordinal, interval, and ratioâ¦.
A cutaneous horn, also known as cornu cutaneum, refers to a specific appearance of a skin lesion in which a cone-shaped protuberance arises on the skin caused by overgrowth of the most superficial layer of skin (epidermis).
The cause of acral lentiginous melanoma is thought to be tied to the overproduction of certain skin cells called melanocytes, which are the cells that produce skin pigment. This cell overgrowth usually starts as a new skin lesion that's usually irregularly-shaped and may be tan, brown, or black.