ordinary companion cell

Term Information

Accession
PO:0025459
Aspect
plant anatomy
Synonyms
exact: célula ordinaria acompañante (Spanish)
exact: 通常の?伴細胞 (Japanese)
exact: regular companion cell
exact: standard companion cell
Definition
A companion cell (PO:0000400) that lacks cell wall invaginations and has few or no plasmodesmata connecting it to adjacent mesophyll cells. [source: PMID:21669666, PO_REF:00011]
Comment
Found in plants that use apoplastic phloem loading. Unlike sieve tube elements (PO:0000289), ordinary companion cells retain their nuclei and other organelles at maturity.

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External References

closePO_GIT (1)

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