Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
Algaes under microscopic view
Fruits of masterwort (Peucedanum ostruthium). Pennine Alps. Piedmont. Italy.
centropyxis aculeata (amoeboid organism) under the microscope - optical microscope x400 magnification
Mountain Witch Alder
Epidermis. Electron microscope micrograph showing a keratinocyte of spinous layer. The epithelial cell has a polygonal shape, central nucleus with nucleolus, cytoplasm full of keratin filament bundles, and numerous dark desmosomes crossing the intercellular spaces.
Photomicrograph of rotifer, probably Rotaria rotatoria. Rapidly rotating cilia at top of head, internal organs visible. Green circles are algae. Live specimen. Original image at 40X, wet mount, transmitted brightfield illumination. Indistinct image due to motion blur of live specimen and very shallow depth of field of brightfield illumination.
The pretty spotted beebalm flowers in the forest
Burkitt lymphoma is a form of non-Hodgkin's lymphoma in which cancer starts in immune cells called B-cells. Recognized as a fast growing human tumor, Burkitt lymphoma is associated with impaired immunity and is rapidly fatal if left untreated.
Freshwater aquatic zooplankton and algae under microscope view
plant Zea Stem C.S. under light mircoscope with white background
Education of chlorella under the microscope in Lab.
Euphorbia cyparissias, or Cypress Spurge, is a perennial herb with erect stems, narrow and needle-like leaves, and yellow, crescent-shaped glands on the rim of its cup-shaped flowers. The flowers appear in spring and early summer, consisting of lime-yellow bracts that slowly fade to red-orange as they mature. It spreads by rhizomes and can be quite invasive.
False color image of diatom under the microscope
Cow Parsley in a field.
Copepod - micro organism
green nettle plants with flowers
Photomicrograph of mayfly nymph, Baetis species, with leaflike gills on back. Live specimen. Wet mount, 2.5X objective, transmitted brightfield illumination.
A Silverfish (Lepisma saccharinum) on floor, Insect running on floor.
Weeping Plum (Okusayama Shoryu Weeping Plum) Hamamatsu City, Shizuoka Prefecture.
Blooming chestnut tree
Filipendula vulgaris blooming in early summer in a pasture. Commonly known as dropwort or fern-leaf dropwort, is a perennial herbaceous plant in the family Rosaceae.
Squash preparation of stained onion root tip cells showing late telophase and metaphase stages of mitosis. Bright field illumination on a Leica microscope, Image taken with the X100 objective lens.  Depth of focus is extremely shallow (less than one micron).  Optimum setting of the aperture for maximum resolution and good contrast. Chromatic aberation is inevitable in light microscopy, especially at this scale of magnification, but has been kept to a minimum in this image.
Amphora sp. algae under microscopic view, Diatoms, phytoplankton, fossils, silica, golden yellow algae
Sambucus nigra. Common names include elder, elderberry, black elder, European elder, European elderberry and European black elderberry.
Lepidium draba, also known as whitetop, hoary cress, or Thanet cress is a  rhizomatous perennial flowering plant in the family Brassicaceae. It was traditionally used for medicinal purposes, including anti-inflammatory and antibacterial treatments.
White flowers garden background
Copepod with egg sacs. Live specimen. Wet mount, 10X objective, combination of transmitted brightfield illumination.
Close-up of a cluster of vibrant pink flowers in full bloom against a blurred green background.
Mix eggs of parasite.in stool exam.
A Heavenly Bamboo 'Compacta' plant with flowers.
Free Images: "bestof:Cellana sandwicensis 001.jpg Cellana sandwicensis W H Pease 1861 a limpet from the family Nacellidae; Hawaii http //www biolib cz/en/image/id113743/ orderby 2"
Cellana sandwicensis 001.jpg
Cellana sandwicensis 002.jpg
Turbo intercostalis 001.jpg
Cellana toreuma 001.jpg
Cellana testudinaria 001.jpg
Cellana ornata 001.jpg
Cellana concillata 001.jpg
Cellana flava 001.jpg
Cellana radians 001.jpg
Cellana strigilis 001.jpg
Cellana tramoserica 001.jpg
Cellana radiata capensis 001.jpg
Cellana exarata 001.jpg
Turbo intercostalis 002.jpg
Cellana concillata 002.jpg
Cellana flava 002.jpg
Cellana radians 002.jpg
Cellana toreuma 002.jpg
Cellana testudinaria 002.jpg
Cellana strigilis 002.jpg
Cellana tramoserica 002.jpg
Cellana nigrolineata 001.jpg
Cellana radiata capensis 002.jpg
Cellana mazatlandica 001.jpg
Cellana exarata 002.jpg
Cellana solida 001.jpg
Hemitoma livescens 001.jpg
Cellana rota 001.jpg
Cellana radians earlii 001.jpg
Cellana radians perana 001.jpg
Naturalis Biodiversity Center - ZMA.MOLL.303840 - Cellana sandwicensis W. H. Pease, 1861 - Nacellidae - Mollusc shell.jpeg
Cellana ornata 002.jpg
Cellana nigrolineata 002.jpg
Cellana mazatlandica 002.jpg
Cellana solida 002.jpg
Cellana rota 002.jpg
Hemitoma livescens 002.jpg
Nacella magellanica 001.jpg
Cellana radians earlii 002.jpg
Cellana radians perana 002.jpg
Cellana radiata enneagona 001.jpg
Cellana_sandwicensis.jpg
Macklintockia scabra 002.jpg
Macklintockia scabra 003.jpg
Acmaea mitra 001.jpg
Cellana radiata enneagona 002.jpg
Nacella magellanica 002.jpg
Nacella magellanica 003.jpg
Pyramidelloides miranda 001.jpg
Macklintockia scabra 001.jpg
Discurria insessa 001.jpg
Macrochisma tasmaniae 001.jpg
Macrochisma munita 001.jpg
Amblychilepas oblonga 001.jpg
Fissurella latimarginata 001.jpg
Fissurella maxima 001.jpg
Fissurella rosea 001.jpg
Fissurella nodosa 001.jpg
Fissurella crassa 001.jpg
Niveotectura pallida 001.jpg
Patelloida insignis 001.jpg
Lottia limatula 001.jpg
Lottia luchuana 001.jpg
Lottia dorsuosa 001.jpg
Patelloida striata 001.jpg
Scurria zebrina 001.jpg
Scurria stipulata 001.jpg
Lottia langfordi 001.jpg
Nipponacmea fuscoviridis 001.jpg
Patelloida victoriana 001.jpg
Patelloida saccharina 001.jpg
Notoacmea persona 001.jpg
Patella depressa 001.jpg
Cymbula compressa 001.jpg
Cymbula oculus 001.jpg
Patella gomesii 001.jpg
Scutellastra chapmani 001.jpg
Ansates pellucida 001.jpg
Patella peronii 001.jpg
Patelloida mufria 001.jpg
Fissurella radiosa tixierae 001.jpg
Cosmetalepas africana 001.jpg
Medusafissurella dubia 001.jpg
Amblychilepas nigrita 001.jpg
Amblychilepas javanicensis 001.jpg
Lucapina suffusa 001.jpg
Fissurella virescens 001.jpg
Fissurella volcano 001.jpg
Patelloida latistrigata 001.jpg
Notoacmea scopulina 001.jpg
Patelloida saccharinoides 001.jpg
Notoacmea mayi 001.jpg
Notoacmea flammea 001.jpg
Collisella stanfordiana 001.jpg
Lottia pelta 001.jpg
Scurria mesoleuca 001.jpg
Collisella subrugosa 001.jpg
Lottia mixta 001.jpg
Lottia strigatella 001.jpg
Tectura antillarum 001.jpg
Terms of Use   Search of the Day