Tyloses shown in a tangential longitudinal view of a secondary xylem vessel
Tyloses are shown in a tangential longitudinal view of a secondary xylem vessel
just under a wounded surface in a current-year stem of grape (Vitis vinifera
L. cv Chardonnay). Tyloses are induced outgrowths from paratracheal parenchyma
cells that block xylem vessels as a step in wound healing. The image is a bright
field digital micrograph of a section cut with a sliding microtome and stained
with safranin and fast green.
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