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    Eager, smiling students raising hands in science laboratory classroom — Stock Photo
    Eager, smiling students raising hands in science laboratory classroom
    Tube polyp with small isopod — Stock Photo
    Tube polyp with small isopod
    Male doctor examining young woman using magnification lamp. — Stock Photo
    Male doctor examining young woman using magnification lamp.
    Medical illustration of blood clotting process inside artery — Stock Photo
    Medical illustration of blood clotting process inside artery
    Gorgonain fan with polyps — Stock Photo
    Gorgonain fan with polyps
    House dust mites — Stock Photo
    House dust mites
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Emperor shrimp on nudibranch — Stock Photo
    Emperor shrimp on nudibranch
    Red blood cells, digital illustration. — Stock Photo
    Red blood cells, digital illustration.
    Chromodoris kuniei nudibranch in Beqa Lagoon — Stock Photo
    Chromodoris kuniei nudibranch in Beqa Lagoon
    Kiwi fruit (Actinidia deliciosa) pollen grain, coloured scanning electron micrograph (SEM). — Stock Photo
    Kiwi fruit (Actinidia deliciosa) pollen grain, coloured scanning electron micrograph (SEM).
    College students using microscope conducting scientific experiment in laboratory — Stock Photo
    College students using microscope conducting scientific experiment in laboratory
    Soft coral polyps growing on reef — Stock Photo
    Soft coral polyps growing on reef
    Female teacher and girl student conducting scientific experiment at microscope in laboratory — Stock Photo
    Female teacher and girl student conducting scientific experiment at microscope in laboratory
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells — Stock Photo
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells
    Man with opera glasses laughing in theater audience — Stock Photo
    Man with opera glasses laughing in theater audience
    Colorful mushroom coral surface — Stock Photo
    Colorful mushroom coral surface
    Sharp spines covering crown-of-thorns starfish — Stock Photo
    Sharp spines covering crown-of-thorns starfish
    Illustration of human egg cell on blue background. — Stock Photo
    Illustration of human egg cell on blue background.
    Testicular cancer or teratoma — Stock Photo
    Testicular cancer or teratoma
    Siphon on giant clam — Stock Photo
    Siphon on giant clam
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Epithelium of a foliate papillae of the tongue — Stock Photo
    Epithelium of a foliate papillae of the tongue
    Mouth of large coral polyp — Stock Photo
    Mouth of large coral polyp
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Scorpionfish scales closeup shot — Stock Photo
    Scorpionfish scales closeup shot
    Enterococcus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Enterococcus coccoid bacteria, colored scanning electron micrograph.
    Polyps of reef-building coral — Stock Photo
    Polyps of reef-building coral
    Shrimp on pin cushion sea star — Stock Photo
    Shrimp on pin cushion sea star
    Cashmere wool fibres, coloured scanning electron micrograph (SEM). — Stock Photo
    Cashmere wool fibres, coloured scanning electron micrograph (SEM).
    Blue cells on black background, digital illustration. — Stock Photo
    Blue cells on black background, digital illustration.
    Microscopic view of colorful tumor cells — Stock Photo
    Microscopic view of colorful tumor cells
    Female scientist using microscope in laboratory — Stock Photo
    Female scientist using microscope in laboratory
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Chlamydia trachomatis bacteria cells, digital illustration. — Stock Photo
    Chlamydia trachomatis bacteria cells, digital illustration.
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Red blood cells — Stock Photo
    Red blood cells
    Chromodoris kuniei nudibranch in Beqa Lagoon — Stock Photo
    Chromodoris kuniei nudibranch in Beqa Lagoon
    Mouth of crinoid feather star — Stock Photo
    Mouth of crinoid feather star
    Digital artwork of illuminated red human cancer cell. — Stock Photo
    Digital artwork of illuminated red human cancer cell.
    Mouth of large coral polyp — Stock Photo
    Mouth of large coral polyp
    Epithelium of a foliate papillae of the tongue — Stock Photo
    Epithelium of a foliate papillae of the tongue
    Smiling couple holding opera glasses in theater audience — Stock Photo
    Smiling couple holding opera glasses in theater audience
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    Colored digital artwork of cancer cell. — Stock Photo
    Colored digital artwork of cancer cell.
    Chromodoris kuniei nudibranch in Beqa Lagoon — Stock Photo
    Chromodoris kuniei nudibranch in Beqa Lagoon
    Schooling anthias fish and corals — Stock Photo
    Schooling anthias fish and corals
    Colorful dorsal fin of scorpionfish — Stock Photo
    Colorful dorsal fin of scorpionfish
    Clostridium phytofermentans bacteria — Stock Photo
    Clostridium phytofermentans bacteria
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae
    Ruptured venule running through fatty tissue — Stock Photo
    Ruptured venule running through fatty tissue
    Tendon, coloured scanning electron micrograph (SEM), showing bundles of collagen fibres. The parallel alignment of the fibres make tendons inelastic but flexible. Tendons attach muscle to bone — Stock Photo
    Tendon, coloured scanning electron micrograph (SEM), showing bundles of collagen fibres. The parallel alignment of the fibres make tendons inelastic but flexible. Tendons attach muscle to bone
    Illustration of illuminated red human cancer cells. — Stock Photo
    Illustration of illuminated red human cancer cells.
    Girl students using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl students using microscope, conducting scientific experiment in laboratory classroom
    Closeup side view of magnified brown fly with large eyes and transparent wings — Stock Photo
    Closeup side view of magnified brown fly with large eyes and transparent wings
    Skeletal muscle fibres — Stock Photo
    Skeletal muscle fibres
    Sergeant Major fish eggs — Stock Photo
    Sergeant Major fish eggs
    Side view of orange fluffy flying incest with brown antennae and ornamental large eye — Stock Photo
    Side view of orange fluffy flying incest with brown antennae and ornamental large eye
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Vanity mirror hanging on modern bathroom wall — Stock Photo
    Vanity mirror hanging on modern bathroom wall