subject | relation | object |
---|---|---|
primary xylem vessel member | is_a | xylem vessel member (PO:0002003) |
primary xylem vessel member | BFO:0000050 | primary xylem (PO:0005849) |
subject | relation | object |
---|---|---|
metaxylem vessel member (PO:0025622) | is_a | primary xylem vessel member |