subject | relation | object |
---|---|---|
xylem | is_a | portion of vascular tissue (PO:0009015) |
subject | relation | object |
---|---|---|
tracheid bar (PO:0019026) | is_a | xylem |
tracheary element (PO:0000290) | BFO:0000050 | xylem |
xylem development stage (PO:0025425) | RO:0000057 | xylem |
primary xylem (PO:0005849) | is_a | xylem |
secondary xylem (PO:0005848) | is_a | xylem |
xylem fiber cell (PO:0000274) | BFO:0000050 | xylem |
xylem vessel (PO:0025417) | is_a | xylem |