写真素材の検索結果

Stamen structure, illustration

Pollen grain structure, illustration

Germination of a pollen grain, illustration

Bee pollinating a flower, artwork

Calla lily anatomy, illustration

Pistil structure, illustration

Sperm cell, artwork

Sperm cell, artwork

Flower types, illustration

Pollen grain, illustration

Insect pollination, illustration

Insect pollination, illustration

Testicle anatomy, illustration

Testicle anatomy, illustration

Blue pincushion flowers, 19th century

Sperm cell, artwork

Mendelian genetics, Punnett square

Mendelian genetics, Punnett square

Geranium phaeum flower, illustration

Human sperm cell diagram, illustration

Pollen grains from different plants, illustration

Insect pollination, illustration

Insect pollination, illustration

Meiosis cell division, illustration

Meiosis and mitosis, illustration

Thrift flower (Armeria maritima), artwork

Red-orange ada (Ada aurantiaca), artwork

Sorksbill (Erodium glandulosum), artwork

Common lilac (Syringa vulgaris)

Monkshood (Aconitum variegatum)

Spermatogenesis, illustration

Monolophosaurus dinosaurs mating

Human spermatogenesis, illustration

Plant parenchyma structure, illustration

Collenchyma structure, illustration

Conifer, artwork

Conifer, artwork

Hibiscus flower and pollen grain, composite image

Hibiscus flower and pollen grain, composite image

Hibiscus pollen grain, illustration

Hibiscus pollen grain, illustration

Hibiscus pollen grain, illustration

Hibiscus pollen grain, illustration

Hibiscus pollen grain, illustration

Hibiscus pollen grain, illustration

Life cycle of the wood ant, illustration

Lesser and greater periwinkle, illustration

Sexual and asexual reproduction, illustration

Sexual and asexual reproduction, illustration

Sperm cells, illustration

Sperm cells, illustration

Sperm cells, illustration

Fertilisation, 19th century illustration

Japanese hop (Humulus japonica), illustration

Mouse male reproductive system, illustration

Gymea lily, 19th century

Ovum structure, illustration

Canada goldenrod (Solidago canadensis), illustration

Monozygotic and dizygotic twins, illustration

Male urogenital system, artwork

Brassila cretica plant, artwork

Goethea strictiflora flower, artwork

Sperm cell, artwork

Sperm cell, artwork

Pollen grains, illustration

Pollen grain, illustration

Pollen grains, illustration

Benign prostatic hyperplasia, illustration

Gastrulation during embryonic development, illustration

Ejaculatory duct anatomy, 19th century

Apatosaurus dinosaurs mating

Opium poppy (Papaver somniferum)

Hardy larkspur (Delphinium formosum)

Darlingtonia californica, artwork

Sperm cell fertilising an ovum, artwork

Chromosome duplication and condensation, illustration

Menstrual cycle, illustration

Male urogenital anatomy, illustration

Spermatogenesis, illustration

Stomata structure, illustration

Male reproductive organs of a dog, illustration

Elm tree (Ulmus sp.) pollen grain, illustration

Willow (Salix sp.) pollen grain, illustration

Persian hogweed and giant hogweed, illustration

Alpha-pinene terpene, molecular model

Algae and plant life-cycle, illustration

Monk's-hood (Aconitumm napellus)

European columbine (Aquilegia vulgaris)

Solitary clematis (Clematis integrifolia)

Embryo during 4th week, illustration

Grasses, illustration

Heather (Daboecia polifolia) flower

Indian flower, artwork

Purple gentian flowers

Malabar arrowroot flowers and rhizome

Amaryllis vittata, artwork

Xylem and phloem, illustration

Xylem and phloem, illustration

Xylem and phloem, illustration

Nerium oleander, 19th century

Strobilantes flowers

Lily and orchid flowers

Clove plant flowers and fruit

Cinnamon flowers and leaves

Osbeckia chinensis flowers

Malay apple flowers and fruit

Pomegranate flowers and fruit

Nutmeg fruits and seeds

Purple Thunbergia flowers

Silk cotton flowers and boll

Calogyne corrugata flowers

Green tea flowers and fruits

East Indian Klugia flowers

Tobacco flowers

Indian rosebay flowers

Colouring turmeric flowers

Water lily (Nymphaea ampla), artwork

Blue poppy (Meconopsis napaulensis)

Oilgrass (Cymbopogon iwarancusa)

Water lemon (Passiflora laurifolia)

Sweet bay (Magnolia virginiana)

Shell ginger (Alpinia zerumbet), artwork

Indian flower, artwork

Kenaf (Hibiscus cannabinus), artwork

Butterfly pea (Clitoria ternatea) flowers

Cotton rose (Hibiscus mutabilis)

Rose of Sharon (Hibiscus syriacus)

Beach hibiscus (Hibiscus tiliaceus)

Rhododendron sp flowers, artwork

Mitosis phases, illustration

Mitosis phases, illustration

Mitosis phases, illustration

Mitosis phases, illustration

Chocolate cocoa plant

Male reproductive system, illustration

Male reproductive system, illustration

Healthy and unhealthy prostate glands, illustration

Prostatitis, illustration

Healthy and cancerous prostate glands, illustration

Prostate cancer, illustration

Prostate cancer, illustration

Black henbane (Hyoscyamus niger) flower

Water lily (Nymphaea capensis), artwork

Sulphur lily (Lilium suffureum), artwork

Lily-pad begonia flowers

Red hot poker (Norantea guianensis) plant

Peony (Paeonia officinalis), artwork

Rhododendron flowers, artwork

Oenothera erythrosepala

Arum dioscoridis, 19th century

Lady of the night (Cereus hexagonus)

Night-blooming cereus, artwork

Dwarf pogon iris (Iris pumila), artwork

Daffodil (Narcissus x odorus), artwork

Lily (Arum bulbiferum), artwork

Tulip (Tulipa sp.) flowers, artwork

Tulips (Tulipa gesneriana), artwork

Tulip (Tulipa gesneriana), artwork

Crown imperial (Fritillaria imperialis)

Hazel (Corylus avellana) pollen grain, illustration

Passion fruit (Passiflora sp.) pollen

Prickly pear (Opunita fiscus-indica)

Digitalis viridiflora, 19th century

Rock orchid flowers

Gooseberry flowers and fruits

Rhododendron flowers

Laceolabinuin orchid flowers

Giant granadilla flowers and fruits

Nankeen cotton flowers and boll

Damask rose (Rosa damascena), artwork

Pollen grains from different plants, illustration

Pollen grains from different plants, illustration

Pollen grains from different plants, illustration

Pollen grains from different plants, illustration

Pollen grains from different plants, illustration

Pollen grains from different plants, illustration

Pollen grains from different plants, illustration

Pollen grains from different plants, illustration

Pollen grains from different plants, illustration

Pollen grains from different plants, illustration

Pollen grains from different plants, illustration

Pollen grains of Mimosa flower, illustration

Pollen grains of Mimosa flower, illustration

Pollen grains of Mimosa flower, illustration

Pollen grains of Mimosa flower, illustration and photo

Pollen grains of Mimosa flower, illustration and photo

Pollen grains of Mimosa flower, illustration

Pollen grains of Mimosa flower, illustration

Pollen grains of Mimosa flower, illustration

Pollen grains of Mimosa flower, illustration

Pollen grains of Mimosa flower, illustration

Pollen grains and spores, illustration

Plasmolysis and turgidity, illustration

Chilli pepper

Sperm cells, illustration

Surfactant protein D, illustration

Surfactant protein A, illustration

Surfactant protein structural shapes, illustration

Ergot sclerotia on rye, illustration

Black cherry (Prunus serotina), illustration