Figure 9From: Proliferation of axial parenchymatic xylem cells is a key step in wound closure of girdled stems in Pinus canariensis Abnormal orientation in healing tissues. A-B: Cross sections of lateral edges. The arrows indicate U- and Y-shaped rays, respectively. C: Cross section of a lateral edge few days after wounding. The white arrow indicates the thick parenchymatous callus developed inwards. The white curve line marks a U-shaped cell alignment.Back to article page