Neural Tube Defects

Famous quotes containing the words tube and/or defects:

    One of the great natural phenomena is the way in which a tube of toothpaste suddenly empties itself when it hears that you are planning a trip, so that when you come to pack it is just a twisted shell of its former self, with not even a cubic millimeter left to be squeezed out.
    Robert Benchley (1889–1945)

    We should endeavor practically in our lives to correct all the defects which our imagination detects.
    Henry David Thoreau (1817–1862)