subject | relation | object |
---|---|---|
primary xylem tracheary element | BFO:0000050 | primary xylem (PO:0005849) |
primary xylem tracheary element | is_a | tracheary element (PO:0000290) |
subject | relation | object |
---|---|---|
metaxylem tracheary element (PO:0025576) | is_a | primary xylem tracheary element |
protoxylem tracheary element (PO:0025575) | is_a | primary xylem tracheary element |