A tylose in oak heartwood, Quercus robur
Cross-section of Quercus robur heartwood
Oak Leaf Epidermis (Quercus robur)
Oak Leaf Stoma (Quercus robur)
Oak xylem
Oak wood, light micrograph
Oak mildew on a Quercus robur leaf
Oak powdery mildew on Quercus robur
Vascular bundle in celery ( Apium graveolens), SEM
SEM of pollen grains from the common oak flower
English elm (Ulmus procera), light micrograph
Cherry gall on pedunculate oak (Quercus robur) leaf
Oak tree pollen, SEM
Oak (Quercus sp.) petiole, light micrograph
Oak (Quercus) wood vessel members. SEM
Cross-section of English oak, polarised light micrograph
Nasturtium leaf, SEM
Conifer needle, SEM
Male human sex chromosomes, SEM
Oak sapling (Quercus robur)
Oak leaf litter (Quercus robur)
Olive leaf, light micrograph
Lime tree stem, light micrograph
Fern rhizome, light micrograph
Aralia leaf stalk, light micrograph
Liana stem, light micrograph
Celery stalk, light micrograph
Ctenanthe vascular bundle, light micrograph
Ctenanthe vascular bundles, light micrograph
Senecio sp. vascular bundles, light micrograph
Field scabious stalk, light micrograph
Evening primrose stalk, light micrograph
Vicia sp. vascular bundle, light micrograph
Spangle galls on leaves of Quercus robur
Spangle galls on an oak leaf, SEM
Elm stem, LM
Spangle galls on a leaf of Quercus robur
Section of English oak, polarised light micrograph
Studio shot of single autumn leaf of oak tree (Quercus robur)
Oak (Quercus robur)
Oak leaf, light micrograph
Water fern rhizome, light micrograph
Dicot stem, LM
Ammophila arenaria leaf, LM
Conductive plant vessel element (Cercocarpus sp.), SEM
X and Y chromosomes
Wood elements from maple charcoal, SEM
English oak tree (Quercus robur) trunk
Oak leaf stalk, light micrograph
Germany, Bavaria, Lower Franconia, Pedunculate Oak, Quercus robur
English oak tree (Quercus robur) and stone wall.
Leaf midrib, SEM
Clematis stem, SEM
Acorns and oak leaves
Acorn and oak leave
Lily stem, LM
Woody stem, LM
Broom stem, LM
Helianthus stem, LM
Stem vascular arrangement, LM
Root vascular arrangement, LM
Burdock stem, light micrograph
Meadow grass, LM
Fern frond, LM
Tropical fern leaf, LM
Heather leaf, LM
Japanese sago palm leaf, LM
Lilac leaf, LM
Cotton leaf, LM
Peach leaf, LM
Bean leaf, LM
Tea leaf, LM
Cotton, leaf, LM
Privet leaf, LM
Grass stalk, light micrograph
Solomon's seal stalk, light micrograph
Dicotyledon vascular bundle, SEM
Reed stalk, light micrograph
Senecio sp. stalk, light micrograph
Dock (Rumex sp.) vascular bundle, light micrograph
Dock (Rumex sp.) stalk, light micrograph
Rye stalk, light micrograph
Forgot-me-not (Myosotis sp.), light micrograph
Larkspur (Delphinium sp.) vascular bundles, light micrograph
Larkspur (Delphinium sp.), light micrograph
Larkspur (Delphinium sp.) vascular bundle, light micrograph
Primrose (Primula sp.) stalk, light micrograph
Peony stalk, light micrograph
Two acorns and oak leave, close-up
Decaying leaf, SEM
Leaf glandular trichome (Salvia divinorum), SEM
Cell structure of a garden Zinnia leaf
Cervical cancer cell, SEM
HeLa cells, SEM
HeLa cell, SEM
Solomon's seal stem, light micrograph
Lily of the valley stem, light micrograph
Fern stem, light micrograph
Ancient oaks (Quercus robur)
Tobacco, SEM
Rosemary, SEM
Endometriotic cyst
Endometriosis
Section through a wine cork, SEM
Elm wood, SEM
Bamboo stem, fluorescent light micrograph
Woody stem section, SEM
Monocotyledon root vascular bundle, SEM
Lime wood, light micrograph
Oak pollen grain, SEM
Oak leaves
Maize root, LM
Maize root.
Angelica plant stem, light micrograph
Wild cabbage stem, light micrograph