Plant tissues. Support
ANGULAR COLLENCHYMA
Organ: stem, angular collenchyma.
Species: ivy (Hedera helix).
Technique: paraffin embedding, section stained with toluidin blue.
Species: ivy (Hedera helix).
Technique: paraffin embedding, section stained with toluidin blue.
In angular collenchyma, the cell wall thickenings occur at the angles of the cell surface where several cells meet, hence the absence of intercellular spaces in this tissue. The thickenings are like pillars arranged longitudinally in the plant body, providing great mechanical strength.
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