protoxylem tracheary element

Term Information

Accession
PO:0025575
Aspect
plant anatomy
Synonyms
exact: elemento de traqueida del protoxilema (Spanish)
exact: 原生木部仮導管要素 (Japanese)
Definition
A primary xylem tracheary element (PO:0025444) with predominately annular or helical secondary wall thickening that are the first formed tracheary elements (PO:0000290) at a particular location. [source: ISBN:0471738433, POC:Laura_Moore]
Comment
In a given portion of primary xylem (PO:0005849), protoxylem tracheary elements are generally smaller in size, fewer in number, un-pitted and have less secondary wall material than metaxylem tracheary elements (PO:0025576).

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  • is a
  • part of
  • develops from
  • has part
  • adjacent to
  • participates in
  • derives by manipulation from
  • has participant
  • located in
  • preceded by
  • precedes

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External References

closePO_GIT (1)

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