Category: N

  • Neurectasis

    A surgical operation to stretch a peripheral nerve. The surgical procedure for stretching a peripheral nerve.  

  • Neural plate

    A thickening of an embryonic disc which folds over to form the neural tube. The strip of ectoderm lying along the central axis of the early embryo that forms the ‘neural tube and subsequently the central nervous system. A thickened band of ectoderm along the dorsal surface of an embryo. The nervous system develops from…

  • Neural crest

    The ridge of cells in an embryo which forms nerve cells of the sensory and autonomic ganglia. The two bands of ectodermal tissue that flank the neural plate of the early embryo. Cells of the neural crest migrate throughout the embryo and develop into sensory nerve cells and peripheral nerve cells of the autonomic nervous…

  • Neural arch

    A curved part of a vertebra, which forms the space through which the spinal cord passes.  

  • Neuman’s model

    A modern model for nursing in which prevention is the primary nursing aim.  

  • Nether parts

    The lower part of the body, especially the buttocks or genital area (informal).  

  • Nervy

    Worried and nervous (informal).  

  • Nervous complaint

    An emotional or mental illness (informal).  

  • Nervous

    Referring to nerves. Very easily worried.  

  • Nerve tissue

    Tissue which forms nerves, and which is able to transmit the nerve impulses. The neurons and neuroglia of the nervous system. Tissue that carries messages to and from the brain and controls and coordinates all body functions.