Depigmentation of the skin can be caused by a number of local and systemic conditions. The pigment loss can be partial (such as after injury to the skin) or complete (such as from vitiligo).epigmentation of the skin can be caused by a number of local and systemic conditions. The pigment loss can be partial (such as after injury to the skin) or complete (such as from vitiligo).
In the most general terms, a spine specialist is a physician who focuses on the pathology of the vertebrae, intervertebral discs, joints and neural structures of the spinal column and the spinal cord.
What is a specialist for the head called? That depends on exactly what you mean. Neurologists specialize in non-surgical problems of the brain and nervous system such as seizures and headaches. Neurosurgeons do suâ¦rgery on the brain and nervous system including the spine. Ear nose and throat specialists (aka otolargyngologists) specialise in those organ systems.