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24129748 results

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    Planktonic unicellular alga Diploneis sp. — Stock Photo
    Planktonic unicellular alga Diploneis sp.
    Human sinuses structure and anatomy — Stock Photo
    Human sinuses structure and anatomy
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Neural network and connections — Stock Photo
    Neural network and connections
    Sperm fertilizing an egg cell — Stock Photo
    Sperm fertilizing an egg cell
    Cardiac muscle cells — Stock Photo
    Cardiac muscle cells
    Human lungs and lower respiratory system — Stock Photo
    Human lungs and lower respiratory system
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Streptococcus thermophilus bacteria — Stock Photo
    Streptococcus thermophilus bacteria
    Gum tissue with gingivitis — Stock Photo
    Gum tissue with gingivitis
    Elbow joint anatomy — Stock Photo
    Elbow joint anatomy
    Metaphase chromosome structure — Stock Photo
    Metaphase chromosome structure
    Cardiovascular system of arm and shoulder — Stock Photo
    Cardiovascular system of arm and shoulder
    Human brain cross-section — Stock Photo
    Human brain cross-section
    Structure of animal cell — Stock Photo
    Structure of animal cell
    Healthy human teeth — Stock Photo
    Healthy human teeth
    Heart and circulatory system — Stock Photo
    Heart and circulatory system
    Light micrograph (LM) showing blood supply to muscle fibers. — Stock Photo
    Light micrograph (LM) showing blood supply to muscle fibers.
    Muscular and skeletal systems — Stock Photo
    Muscular and skeletal systems
    Macrophages engulfing tuberculosis bacteria — Stock Photo
    Macrophages engulfing tuberculosis bacteria
    Human jaw bone anatomy — Stock Photo
    Human jaw bone anatomy
    Structural anatomy of human pelvis — Stock Photo
    Structural anatomy of human pelvis
    Petri dish with bacteria — Stock Photo
    Petri dish with bacteria
    X chromosomes structure and composition — Stock Photo
    X chromosomes structure and composition
    Skeletal system and anatomy of adult human — Stock Photo
    Skeletal system and anatomy of adult human
    Female skeletal system — Stock Photo
    Female skeletal system
    Internal organs and digestive system — Stock Photo
    Internal organs and digestive system
    Arm bones anatomy — Stock Photo
    Arm bones anatomy
    Adenocarcinoma of the sigmoid colon — Stock Photo
    Adenocarcinoma of the sigmoid colon
    Skeletal system and internal organs — Stock Photo
    Skeletal system and internal organs
    Child skeletal system — Stock Photo
    Child skeletal system
    Chromosomes during cell division — Stock Photo
    Chromosomes during cell division
    Sperm fertilizing an egg cell — Stock Photo
    Sperm fertilizing an egg cell
    Blood cells in a blood vessel — Stock Photo
    Blood cells in a blood vessel
    Infected human bronchus — Stock Photo
    Infected human bronchus
    Structural anatomy of normal shoulder — Stock Photo
    Structural anatomy of normal shoulder
    Red blood cells in the bloodstream — Stock Photo
    Red blood cells in the bloodstream
    Muscular and skeletal systems — Stock Photo
    Muscular and skeletal systems
    Human papillomavirus particles in the bloodstream — Stock Photo
    Human papillomavirus particles in the bloodstream
    Human fetus age 36 weeks — Stock Photo
    Human fetus age 36 weeks
    Arthritic inflammation of hip joint — Stock Photo
    Arthritic inflammation of hip joint
    Healthy digestive system — Stock Photo
    Healthy digestive system
    Spine and rib cage of healthy adult — Stock Photo
    Spine and rib cage of healthy adult
    Internal organs and digestive system — Stock Photo
    Internal organs and digestive system
    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Arteries of cardiovascular system and skeletal structure — Stock Photo
    Arteries of cardiovascular system and skeletal structure
    Skeletal muscle fibres — Stock Photo
    Skeletal muscle fibres
    Model of human teeth — Stock Photo
    Model of human teeth
    Visual rendering of Human cells — Stock Photo
    Visual rendering of Human cells
    Rheumatoid arthritis of hands — Stock Photo
    Rheumatoid arthritis of hands
    Human neck muscle anatomy — Stock Photo
    Human neck muscle anatomy
    Knee joint structure — Stock Photo
    Knee joint structure
    Human shoulder anatomy — Stock Photo
    Human shoulder anatomy
    Bacteria colony reproducing on tissue surface — Stock Photo
    Bacteria colony reproducing on tissue surface
    Duct is lined with pseudostratified epithelium — Stock Photo
    Duct is lined with pseudostratified epithelium
    Narrowed artery causing atherosclerosis — Stock Photo
    Narrowed artery causing atherosclerosis
    X-ray of fractured patella — Stock Photo
    X-ray of fractured patella
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Human rib costal cartilage — Stock Photo
    Human rib costal cartilage