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.
Back to top