Biology A-Level
Xylem vessels
What Xylem vessels means in Biology A-Level, as defined for OCR.
Definitions of Xylem vessels
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Reference: OCR
Structures identified by thick lignified walls and a hollow lumen, lying toward the inner side of each bundle and distinguished from phloem in the same bundle.
Dead, lignified, hollow structures that transport water and mineral ions and provide support.
Topics that use Xylem vessels
- Transport in plants (OCR A-Level)
Related terms
- Cohesion and adhesion
- Control of environmental variables
- Hydrophyte
- Osmosis
- Potometer
- Rate calculation
- Source-to-sink transport of assimilates
- Surface area to volume ratio in plants
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