subject | relation | object |
---|---|---|
sieve cell | is_a | sieve element (PO:0025406) |
subject | relation | object |
---|---|---|
albuminous cell (PO:0025412) | RO:0002220 | sieve cell |
secondary phloem sieve cell (PO:0025456) | is_a | sieve cell |
primary phloem sieve cell (PO:0025454) | is_a | sieve cell |