continuant part of 221-BFO Milk teeth continuant part of human; surgically removed tumour continuant part of organism Users that require more sophisticated representations of time are encouraged to import a temporal extension of BFO-Core provided by the BFO development team. See documentation for guidance: <https://github.com/BFO-ontology/BFO-2020/tree/master/src/owl/profiles/temporal%20extensions> b continuant part of c =Def b and c are continuants & there is some time t such that b and c exist at t & b continuant part of c at t has continuant part continuant continuant