protoxylem

Term Information

Accession
PO:0000272
Aspect
plant anatomy
Synonyms
exact: portion of protoxylem tissue
exact: protoxilema (Spanish)
exact: 原生木(質)部 (Japanese)
Definition
A portion of primary xylem (PO:0000272) tissue that has as part one or more protoxylem tracheary elements (PO:0025575) embedded in parenchyma (PO:0005421) tissue. [source: ISBN:047125208, ISBN:0471738433, POC:Laurel_Cooper]
Comment
Develops while the vascular tissue (PO:0009015) is still elongating. When protoxylem tracheary elements (PO:0025575) are destroyed they may become obliterated by surrounding parenchyma cells (PO:0000074). Protoxylem has smaller elements than the metaxylem (PO:0000372).

Back to top

Term Lineage

Filter tree view help!
Filter Annotation Objects Counts
Term View Options

Back to top

External References

closePO_GIT (1)

Back to top