part_of part of part of processual entity life cycle life cycle stage developmental stage ZFS:0100000 the WBls class 'all stages' belongs here as it is the superclass of other WBls stages BILS:0000105 WBls:0000002 OlatDv:0000010 ncithesaurus:Developmental_Stage MmusDv:0000000 UBERON:0000105 XAO:1000000 MESH:D008018 uberon A spatiotemporal region encompassing some part of the life cycle of an organism. ZFS:0000000 EFO:0000399 we map the ZFS unknown stage here as it is logically equivalent to saying *some* life cycle stage PdumDv:0000090 FBdv:00007012 HsapDv:0000000 FMA:24120 stage this class represents a proper part of the life cycle of an organism. The class 'life cycle' should not be placed here