Term Information

Accession
PO:0005849
Name
primary xylem
Ontology
plant_anatomy
Synonyms
portion of primary xylem tissue (exact), xilema primario (Spanish, exact), 一次木部 (Japanese, exact)
Alternate IDs
None
Definition
A portion of xylem (PO:0005352) tissue that develops from the procambium (PO:0025275). Source: ISBN:0471245194, ISBN:0122151704
Comment
Primary xylem develops as part of primary growth (request for primary growth has been made to GO) and is not differentiated into axial (PO:0025410) and ray (PO:0025411) systems. Tracheary elements (PO:0000290) have lignified cell walls with secondary thickening and are dead at maturity.
Subset
TraitNet
Feedback
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Parents of primary xylem (PO:0005849)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
primary xylem [RO:0002202 relation] RO:0002202  procambium (PO:0025275)
primary xylem [is_a relation] is_a  xylem (PO:0005352)
primary xylem [is_a relation] is_a  independent continuant (BFO:0000004)
Children of primary xylem (PO:0005849)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
metaxylem (PO:0000372) [is_a relation] is_a  primary xylem
primary xylem tracheid (PO:0025446) [BFO:0000050 relation] BFO:0000050  primary xylem
primary xylem tracheary element (PO:0025444) [BFO:0000050 relation] BFO:0000050  primary xylem
primary xylem vessel member (PO:0025448) [BFO:0000050 relation] BFO:0000050  primary xylem
protoxylem (PO:0000272) [is_a relation] is_a  primary xylem
primary xylem vessel (PO:0025450) [BFO:0000050 relation] BFO:0000050  primary xylem
PO_GIT
434