<Morphology>

    <Segment   id="seg1"    region="dend">
        <start x="1.0"    y="1.5"   z="0.0"  r="0.45" label="pointB"/>
        <end   x="1.3"    y="1.5"   z="0.0"  r="0.45" label="pointC"/>
    </Segment>

</Morphology>