CMT4X (medical condition)

CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4X is an inherited defect of the X chromosome and affects males to a greater degree than females and also involves mental retardation and deafness. See also Charcot-Marie-Tooth disease, X-linked recessive, 4