"A has_fused_element B does not imply that A has_part some B: rather than A has_part some B', where B' that has some evolutionary relationship to B."@en . . "x has_fused_element y iff: there exists some z : x has_part z, z homologous_to y, and y is a distinct element, the boundary between x and z is largely fiat"@en . "false"^^ . . "has fused element"@en . "Chris Mungall" . "Chris Mungall"@en . . .