Light and electron microscopic investigations on wound reactions in the bark of Salix caprea L. and Tilia tomentosa Moench.

bark cell structure corteza estructura celular heridas ligninas lignine lignins microscopia microscopie microscopy mikroskopie mitose mitosis plaie polyholoside polysaccharides rinde salix salix caprea structure cellulaire tilia wounds wunde zellstruktur zellteilung