Fig. 4From: Growth performance and wood structure of wavy grain sycamore maple (Acer pseudoplatanus L.) in a progeny trialA. pseudoplatanus. a Microscopic image stained with safranin red and Astra blue displaying the S-shaped structure of wavy grain; box shows area with vessel elements (V/arrow I) and rays (R/arrow II) in higher magnification. b 3D scanning image with polished transverse section (transverse), tangential section (tangential), and cracked (split) radial section (radial) with schematic emphasis of one wavy grain amplitude (image: S. Kaschuro)Back to article page