Plant Anatomy; Experiment and Interpretation: Cells and tissues

acid activity aleurone apex apical meristem auxin callose callus cambial cell division cell wall cellulose chloroplasts Coleus collenchyma companion cells crystals cutin cytoplasm densely cytoplasmic dicotyledons dictyosomes electron microscope elongated embryo endoplasmic reticulum enzyme epidermal cells epidermis ESAU example factors fibres formation formed function give rise glands growth guard cell mother guard cells hydathodes intercellular spaces internode laticifers layer leaf leaves lignified longitudinal membrane microfibrils mitochondria monocotyledons normal nucleus observed occur organelles organs parenchyma parenchyma cells periderm petiole phellogen pith Plant Anatomy plant cells plasmodesmata plastids polarity pores present primary pit fields primary wall protein regeneration region root hairs sclereids secondary phloem secondary wall secondary xylem secretion secretory shoot sieve elements sieve plate sieve tube elements species stage starch grains stem stomata strands structure studies subsidiary cells substances surface tracheids trichoblasts trichomes usually various vascular bundles vascular cambium wall thickening wounded xylem elements