- plant anatomy
- exact: floema (Spanish)
- exact: portion of phloem tissue
- exact: 師部、師管 (Japanese)
- A portion of vascular tissue (PO:0009015) that has as parts sieve elements (PO:0025406). [source: ISBN:0471245208, POC:curators]
- Functions in the conduction of organic substances in vascular plants.
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