#    A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z    All

central nervous system (CNS) The brain and spinal cord.  In vertebrates, the brain is protected by the skull and the spinal cord is protected by vertebrae and both are covered by meninges. Related Words brain  ;  meninges  ;  nervous system  ;  spinal cord  ;  vertebra