part_of part of part of develops from attached to head musculature skull skeletal musculature of head https://github.com/obophenotype/mouse-anatomy-ontology/issues/4 https://github.com/obophenotype/uberon/issues/1405 This class is restricted to skeletal muscles that attach to the cranial skeleton. This seems to be consistent with FMA and EMAPA usage. Note that by definition this excludes invertebrate head musculature. It corresponds to the individual muscle organ term UBERON:0002376 head mesenchyme craniocervical region musculature axial musculature