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28177734 results

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    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Human alveoli anatomy — Stock Photo
    Human alveoli anatomy
    Internal organs and cardiovascular system — Stock Photo
    Internal organs and cardiovascular system
    Sperm fertilising an egg — Stock Photo
    Sperm fertilising an egg
    Cancer cell, computer illustration. — Stock Photo
    Cancer cell, computer illustration.
    Bacteria forming strands and colonies — Stock Photo
    Bacteria forming strands and colonies
    Shoulder blood supply — Stock Photo
    Shoulder blood supply
    Human neck muscles — Stock Photo
    Human neck muscles
    Removal of colon polyp — Stock Photo
    Removal of colon polyp
    Cardiac muscle cells — Stock Photo
    Cardiac muscle cells
    Internal organs and cardiovascular system — Stock Photo
    Internal organs and cardiovascular system
    Artwork of Rod-shaped bacteria — Stock Photo
    Artwork of Rod-shaped bacteria
    Human alveoli anatomy — Stock Photo
    Human alveoli anatomy
    Researcher designing chemical formula with molecular model. — Stock Photo
    Researcher designing chemical formula with molecular model.
    Anatomy of human skin — Stock Photo
    Anatomy of human skin
    Anatomy of warrior 1 pose, or virabhadrasana 1. Computer illustration showing a male body with highlighted skeleton demonstrating the skeletal activity of this yoga posture. — Stock Photo
    Anatomy of warrior 1 pose, or virabhadrasana 1. Computer illustration showing a male body with highlighted skeleton demonstrating the skeletal activity of this yoga posture.
    Upper-body skeletal system — Stock Photo
    Upper-body skeletal system
    Trichomonas vaginalis parasitic microorganisms causing trichomoniasis, digital illustration. — Stock Photo
    Trichomonas vaginalis parasitic microorganisms causing trichomoniasis, digital illustration.
    Interaction between virus and dendritic cell, computer illustration. Dendritic cells play a crucial role in initiating immune responses against viruses — Stock Photo
    Interaction between virus and dendritic cell, computer illustration. Dendritic cells play a crucial role in initiating immune responses against viruses
    Pain in cervical section of spine — Stock Photo
    Pain in cervical section of spine
    Face anatomy and facial musculature — Stock Photo
    Face anatomy and facial musculature
    Artwork of human fertilization — Stock Photo
    Artwork of human fertilization
    Human ovary structure — Stock Photo
    Human ovary structure
    Female researcher using light microscope for examining stem cells in culture jar. — Stock Photo
    Female researcher using light microscope for examining stem cells in culture jar.
    Cyst of Giardia intestinalis protozoan flagellated parasite in small intestine, digital illustration. — Stock Photo
    Cyst of Giardia intestinalis protozoan flagellated parasite in small intestine, digital illustration.
    Thyroid gland cancer with closeup view of cancer cells, computer illustration. — Stock Photo
    Thyroid gland cancer with closeup view of cancer cells, computer illustration.
    Oral trichomonas parasites, digital illustration. — Stock Photo
    Oral trichomonas parasites, digital illustration.
    Female silhouette with elbow pain, digital illustration. — Stock Photo
    Female silhouette with elbow pain, digital illustration.
    DNA autoradiograph pattern, digital illustration. — Stock Photo
    DNA autoradiograph pattern, digital illustration.
    Kidneys and adrenal glands highlighted inside human body, digital illustration. — Stock Photo
    Kidneys and adrenal glands highlighted inside human body, digital illustration.
    Human shoulder joint anatomy — Stock Photo
    Human shoulder joint anatomy
    Bowel cancer pathology — Stock Photo
    Bowel cancer pathology
    Human hand bones structure — Stock Photo
    Human hand bones structure
    Technicians working in sealed and sterile biomedical laboratory. — Stock Photo
    Technicians working in sealed and sterile biomedical laboratory.
    Skeletal muscle structure — Stock Photo
    Skeletal muscle structure
    Bending on bench male silhouette with knee pain, digital illustration. — Stock Photo
    Bending on bench male silhouette with knee pain, digital illustration.
    Vial with liquid for biochemical research, conceptual image. — Stock Photo
    Vial with liquid for biochemical research, conceptual image.
    Sindbis virus particles — Stock Photo
    Sindbis virus particles
    Adult skeletal system — Stock Photo
    Adult skeletal system
    Human heart position and structure — Stock Photo
    Human heart position and structure
    Scientist pipetting sample into micro centrifuge tubes ready for automated analysis. — Stock Photo
    Scientist pipetting sample into micro centrifuge tubes ready for automated analysis.
    Human brain cross-section — Stock Photo
    Human brain cross-section
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body — Stock Photo
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body
    Sitting on bench male silhouette with headache, digital illustration. — Stock Photo
    Sitting on bench male silhouette with headache, digital illustration.
    Cropped view of lab technician carrying cell-based testing kit in bioengineering laboratory. — Stock Photo
    Cropped view of lab technician carrying cell-based testing kit in bioengineering laboratory.
    Human brain structures — Stock Photo
    Human brain structures
    Human internal organs, digital illustration. — Stock Photo
    Human internal organs, digital illustration.
    Pain localized in cervical vertebrae — Stock Photo
    Pain localized in cervical vertebrae
    Human skeletal system and structural anatomy — Stock Photo
    Human skeletal system and structural anatomy
    Nudaurelia capensis omega virus particles — Stock Photo
    Nudaurelia capensis omega virus particles
    Human silhouette with red illuminated brain on black background, digital illustration. — Stock Photo
    Human silhouette with red illuminated brain on black background, digital illustration.
    Meningitis bacteria (Neisseria meningitidis), computer illustration — Stock Photo
    Meningitis bacteria (Neisseria meningitidis), computer illustration
    Human brain anatomy showing cortex — Stock Photo
    Human brain anatomy showing cortex
    Visual rendering of Sleeping sickness — Stock Photo
    Visual rendering of Sleeping sickness
    Organs comprising human digestive system — Stock Photo
    Organs comprising human digestive system
    Realistic digital illustration showing arthritis in human elbow. — Stock Photo
    Realistic digital illustration showing arthritis in human elbow.
    Technician working with cell samples in bioengineering laboratory. — Stock Photo
    Technician working with cell samples in bioengineering laboratory.
    Cancer invasion into surrounding tissues, conceptual computer illustration. — Stock Photo
    Cancer invasion into surrounding tissues, conceptual computer illustration.
    Human skeletal structure — Stock Photo
    Human skeletal structure
    AIDS virus and antibodies — Stock Photo
    AIDS virus and antibodies