Fig. 1From: Changes in the morphology and functions of vacuoles during the death of ray parenchyma cells in Cryptomeria japonicaA diagram showing the positions of samples used for the preparation of 1-μm-thick sections. Samples were collected from a the current and previous years’ xylem, b the middle part of sapwood, c the intermediate wood and d the outer part of the heartwood. The definitions of intermediate wood and heartwood are described in “Terminology” in “Materials and methods”Back to article page