woody dicot stem. tilia (basswood), 2 year stem, 7x. shows: xylem, phloem, two annual rings, pith, rays, vascular cambium, periderm - siebteil stock-fotos und bilder
dicot stem. helianthus (sunflower) vascular bundles (ring), phloem, xylem, pith cortex, epidermis. 10x at 35mm. vascular bundles arranged in a ring. organization of primary tissues. - siebteil stock-fotos und bilder
3 yr stem tilia (basswood) shows pith annual rings (3), cambium phloem, rays, periderm, cork. 10x h - siebteil stock-fotos und bilder
leaf cross section, privet (ligustrum), 25x. shows: palisade mesophyll, spongy mesophyll, epidermis, and a vein (a vascular bundle with xylem and phloem). - siebteil stock-fotos und bilder
sunflower. helianthus stem. vascular bundles. supporting tissue sclerenchyma. dicot. 100x at 35mm - siebteil stock-fotos und bilder
Microphotograph of a section of root apex of Allium, with root-cap and central cylinder, at x100 magnification.
buttercup. ranunculus. root cross section. shows xylem, phloem, stele, starch germs & parenchyma. 100x h - siebteil stock-fotos und bilder
x-section of indian corn stem (zea mays). shows vascular bundles (xylem and phloem), sclerenchyma, sieve tubes, and companion cells. (100x) - siebteil stock-fotos und bilder
stem cross section. wheat (triticum), herbaceous monocot, 50x. shows: 2 vascular bundles, xylem, phloem, epidermis, sclerenchyma, parenchyma, chlorenchyma (green areas near surface), and hollow pith. - siebteil stock-fotos und bilder
smilax, monocot stem cross section, 8x. shows: scattered vascular bundles, xylem, phloem, cortex and epidermis. - siebteil stock-fotos und bilder
leaf cross section, pine (pinus), 25x. shows: photosynthetic mesophyll, xylem, phloem, endodermis, epidermis, resin ducts, and stoma. - siebteil stock-fotos und bilder
zea (corn) cross section. mature stem. single vascular bundle. herbaceous monocot stem. xylem, phloem.100x at 35mm - siebteil stock-fotos und bilder
helianthus (sunflower), herbaceous dicot, stem cross section, vascular bundles, cortex, pith. 25x - siebteil stock-fotos und bilder
vascular bundle of a herbaceous monocot stem (corn, zea mays) xylem, phloem, companion cells, bundle sheath, 100x - siebteil stock-fotos und bilder
a two-year old woody dicot stem (tilia, basswood) in cross section showing plant anatomy 25x - siebteil stock-fotos und bilder
illustration of cross-section through leaf, showing upper epidermis, palisade mesophyll, xylem vesse - siebteil stock-grafiken, -clipart, -cartoons und -symbole
illustration of cross-section through leaf, showing upper epidermis, palisade mesophyll, xylem vesse - siebteil stock-grafiken, -clipart, -cartoons und -symbole
illustration of leaf with cross section of vascular system - siebteil stock-grafiken, -clipart, -cartoons und -symbole
monocot stem (cross section) with scattered vascular bundles--greenbrier (smilax sp) 8x - siebteil stock-fotos und bilder
anatomy of a herbaceous dicot stem--sunflower (helianthus annus) with 2 vascular bundles, 50x - siebteil stock-fotos und bilder
blue molecules, water drops. 3d liquid bubbles pattern. beauty background. healthcare and medicine. close-up. design element. - siebteil stock-fotos und bilder
pink liquid drops on white background. bacteria, cells, molecules view in a microscope. close-up. 3d illustration. healthcare and medicine. - siebteil stock-fotos und bilder