morphml 

The root element, and so will start any MorphML (NeuroML Level 1) compliant document.

Element Information

Model

notes{0,1} , properties{0,1} , annotation{0,1} , group* , cells , features{0,1} , propertyDetails{0,1} , groupDetails{0,1}
Children: annotation, cells, features, group, groupDetails, notes, properties, propertyDetails

Attributes

QName Type Fixed Default Use Inheritable Annotation
lengthUnits LengthUnits optional 
Unit of all length measurements. Usually has the value <b>micrometer</b>. Note: length_units will be the preferred form in v2.0
length_units LengthUnits optional 
Unit of all length measurements. Usually has the value <b>micrometer</b>. Note: length_units will be the preferred form in v2.0
name xs:string optional 
An optional name which can be given to the morphology
volumeUnits VolumeUnits cubic_millimeter optional 
Unit of all volume measurements.

Source 

<xs:element name="morphml" type="Morphology">
  <xs:annotation>
    <xs:documentation>The root element, and so will start any MorphML (NeuroML Level 1) compliant document.</xs:documentation>
  </xs:annotation>
</xs:element>

Sample