subject | relation | object |
---|---|---|
primary phloem sieve element | BFO:0000050 | primary phloem (PO:0006075) |
primary phloem sieve element | is_a | sieve element (PO:0025406) |
subject | relation | object |
---|---|---|
primary phloem sieve cell (PO:0025454) | is_a | primary phloem sieve element |
primary phloem sieve tube element (PO:0025455) | is_a | primary phloem sieve element |