<Morphology>

   <!-- spine morphologies: width for sections along the spine -->

    <SpineType id="spineA">
	<Section width="0.2" at="0.0" regionClass="neck"/>
	<Section width="0.2" at="0.2" regionClass="neck"/>
	<Section width="0.2" at="0.3" regionClass="head"/>
	<Section width="0.6" at="0.4" regionClass="head"/>  
	<Section width="0.6" at="0.5" regionClass="PSD"/>
	<Section width="0.2" at="0.6" label="pointA"/>
    </SpineType>

    <!-- regionClass labels can apply to sections or segments and label regions for applying initial conditaions etc -->


    <!-- lengthDensity means you set the number per micron along the segment -->
    <SpineAllocation id="sa1" spineType="spineA" region="dend" lengthDensity="0.5"/>
    
    <Segment   id="seg1"    region="dend">
        <start x="1.0"    y="1.5"   z="0.0"  r="0.45" label="pointB"/>
        <end   x="21.0"   y="1.5"   z="0.0"  r="0.45" label="pointC"/>
    </Segment>


</Morphology>