<unk>  (also called<unk>  circumscripta), is the decrease or absence of melanin (or colour) in head hair, eyebrows, eyelashes or any other hairy area. It is popularly known as white forelock when it affects hair directly above the forehead. This condition can cause single or, less commonly, multiple white patches on the hair. Some mistake these white patches for simple birth marks. In<unk>  there is decreased or absent melanin in the hair bulbs of affected hair follicles; the melanocytes of the skin are usually not affected.
Poliosis
Scoliosis
Kyphoscoliosis
Hip dysplasia
Tooth ankylosis
Swan neck deformity
Habit-tic deformity
Radial dysplasia