| Child of: | Things [-1] |
| Has children: | BodySubstance [+1] | Chemical [+1] |
| Substance | and | Substance |
| Things [-1] | and | Untyped |
| Substance | CAUSES | Process |
| Substance | CONTAINS | Substance |
| Substance | HAS_DESTINATION | Lesion |
| Substance | HAS_DESTINATION | Structure |
| Substance | HAS_DESTINATION | Substance |
| Substance | HAS_FUNCTION | Process |
| Substance | HAS_LOCATION | Structure |
| Substance | HAS_PROXIMITY | Structure |
| Substance | IS_ACTED_ON_BY | Deed |
| Substance | IS_CONTAINED_IN | Structure |
| Substance | IS_MADE_OF | Material |
| Substance | or | Substance |
| Things [-1] | or | Untyped |
| Process | ACTS_ON | Substance |
| Process | ACTS_ON_1 | Substance |
| Process | ACTS_ON_2 | Substance |
| Substance | and | Substance |
| Untyped | and | Things [-1] |
| Deed | BY_MEANS_OF | Substance |
| Anatomy | CAUSED_BY | Substance |
| Pathology | CAUSED_BY | Substance |
| Anatomy | CAUSES | Substance |
| Substance | CONTAINS | Substance |
| Lesion | HAS_DESTINATION | Substance |
| Structure | HAS_DESTINATION | Substance |
| Substance | HAS_DESTINATION | Substance |
| Anatomy | HAS_PART | Substance |
| Structure | HAS_PROXIMITY | Substance |
| Feature | IS_FEATURE_OF | Substance |
| Quantity | IS_FEATURE_OF | Substance |
| Anatomy | IS_MADE_OF | Substance |
| Device | IS_MADE_OF | Substance |
| Structure | IS_MADE_OF | Substance |
| Substance | or | Substance |
| Untyped | or | Things [-1] |