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    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow).
    Shoulder muscles, bones and joints of female body, computer illustration — Stock Photo
    Shoulder muscles, bones and joints of female body, computer illustration
    Hair follicles structure — Stock Photo
    Hair follicles structure
    Top view of assorted fresh herbs on white paper — Stock Photo
    Top view of assorted fresh herbs on white paper
    Alzheimer's disease. Illustration of amyloid plaques amongst neurons and neurofibrillary tangles inside neurons. Amyloid plaques are characteristic features of Alzheimer's disease — Stock Photo
    Alzheimer's disease. Illustration of amyloid plaques amongst neurons and neurofibrillary tangles inside neurons. Amyloid plaques are characteristic features of Alzheimer's disease
    Clostridium bacteria colony — Stock Photo
    Clostridium bacteria colony
    Stratified cuboidal epithelium, digital illustration. — Stock Photo
    Stratified cuboidal epithelium, digital illustration.
    Closeup view of sweet potato fritters with herbal dip — Stock Photo
    Closeup view of sweet potato fritters with herbal dip
    Cardiac muscle cells — Stock Photo
    Cardiac muscle cells
    Human intestinal villi, computer illustration. — Stock Photo
    Human intestinal villi, computer illustration.
    Simple squamous epithelium, digital illustration. — Stock Photo
    Simple squamous epithelium, digital illustration.
    Visual rendering of Abdominal pain — Stock Photo
    Visual rendering of Abdominal pain
    Eye muscles in human skull, computer illustration. — Stock Photo
    Eye muscles in human skull, computer illustration.
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Physical therapist massaging young man neck. — Stock Photo
    Physical therapist massaging young man neck.
    Human skin anatomy and blood supply — Stock Photo
    Human skin anatomy and blood supply
    3D rendering of female muscular system on black background — Stock Photo
    3D rendering of female muscular system on black background
    Medical illustration of female breast anatomy — Stock Photo
    Medical illustration of female breast anatomy
    Fat cells and supportive connective tissue — Stock Photo
    Fat cells and supportive connective tissue
    Fresh picked Strawberries — Stock Photo
    Fresh picked Strawberries
    Normal human alveoli anatomy — Stock Photo
    Normal human alveoli anatomy
    3d rendered illustration of dura mater in brain on white background. — Stock Photo
    3d rendered illustration of dura mater in brain on white background.
    Fat cells, computer illustration — Stock Photo
    Fat cells, computer illustration
    Anatomy of male facial and neck muscles — Stock Photo
    Anatomy of male facial and neck muscles
    Woman in home during quarantine looking outside — Stock Photo
    Woman in home during quarantine looking outside
    Fibroblast cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Fibroblast cell, coloured scanning electron micrograph (SEM).
    Caucasian woman spending time at home, in the kitchen, working from home, using her laptop, cleaning her laptop. Social distancing during Covid 19 Coronavirus quarantine lockdown. — Stock Photo
    Caucasian woman spending time at home, in the kitchen, working from home, using her laptop, cleaning her laptop. Social distancing during Covid 19 Coronavirus quarantine lockdown.
    Human silhouette showing heart with blood vessels and bronchial tree on white background. — Stock Photo
    Human silhouette showing heart with blood vessels and bronchial tree on white background.
    Illustration of human skin anatomy on white background. — Stock Photo
    Illustration of human skin anatomy on white background.
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (green) — Stock Photo
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (green)
    Woman holding donut on street — Stock Photo
    Woman holding donut on street
    Boy blowing nose on tissue. — Stock Photo
    Boy blowing nose on tissue.
    Colored magnetic resonance imaging scans of healthy brain of patient. — Stock Photo
    Colored magnetic resonance imaging scans of healthy brain of patient.
    Section through a Pacinian corpuscle — Stock Photo
    Section through a Pacinian corpuscle
    Bone marrow cellular structure — Stock Photo
    Bone marrow cellular structure
    Human intestinal villi, computer illustration. — Stock Photo
    Human intestinal villi, computer illustration.
    Normal human alveoli anatomy — Stock Photo
    Normal human alveoli anatomy
    Mature virus and budding release of HIV — Stock Photo
    Mature virus and budding release of HIV
    Woman with TAR Syndrome picking up an item with her feet — Stock Photo
    Woman with TAR Syndrome picking up an item with her feet
    Digital artwork of green cancer cell on tissue surface. — Stock Photo
    Digital artwork of green cancer cell on tissue surface.
    Medical illustration of female breast anatomy — Stock Photo
    Medical illustration of female breast anatomy
    Genome sequencing machine — Stock Photo
    Genome sequencing machine
    Dentist putting on surgical gloves while patient lying in chair — Stock Photo
    Dentist putting on surgical gloves while patient lying in chair
    Simple squamous epithelium, digital illustration. — Stock Photo
    Simple squamous epithelium, digital illustration.
    Dividing cancerous cells — Stock Photo
    Dividing cancerous cells
    Cancer cell, computer illustration. — Stock Photo
    Cancer cell, computer illustration.
    Mid adult woman blowing nose with tissue. — Stock Photo
    Mid adult woman blowing nose with tissue.
    Human heart cross-section with vessels, bronchial tree and cut rib cage on white background. — Stock Photo
    Human heart cross-section with vessels, bronchial tree and cut rib cage on white background.
    View of Heart valves — Stock Photo
    View of Heart valves
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes — Stock Photo
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes
    Bacteria on human skin — Stock Photo
    Bacteria on human skin
    Mid section of a Caucasian woman spending time at home, lying on the couch with a tissue. Lifestyle at home isolating, social distancing in quarantine lockdown during coronavirus covid 19 pandemic. — Stock Photo
    Mid section of a Caucasian woman spending time at home, lying on the couch with a tissue. Lifestyle at home isolating, social distancing in quarantine lockdown during coronavirus covid 19 pandemic.
    Asparagus and herbs on pink tissue paper — Stock Photo
    Asparagus and herbs on pink tissue paper
    Man with gynecomastia disorder, digital illustration. — Stock Photo
    Man with gynecomastia disorder, digital illustration.
    Elm stem. Light micrograph (LM) of cross-section through woody stem of elm (Ulmus procera) tree. — Stock Photo
    Elm stem. Light micrograph (LM) of cross-section through woody stem of elm (Ulmus procera) tree.
    Cancer cells on tissue surface — Stock Photo
    Cancer cells on tissue surface
    Adipocyte fat cells, digital illustration. — Stock Photo
    Adipocyte fat cells, digital illustration.
    Sick Caucasian woman spending time at home, social distancing and self isolation in quarantine lockdown, sitting on bed, holding tissue. — Stock Photo
    Sick Caucasian woman spending time at home, social distancing and self isolation in quarantine lockdown, sitting on bed, holding tissue.
    Illustration of human heart anatomy on blue background. — Stock Photo
    Illustration of human heart anatomy on blue background.
    3d rendered illustration of dura mater in brain on white background. — Stock Photo
    3d rendered illustration of dura mater in brain on white background.