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    Light micrograph of a section through the surface of a tonsil showing the stratified squamous epithelium (pink) and underlying lymphoid tissue. — Stock Photo
    Light micrograph of a section through the surface of a tonsil showing the stratified squamous epithelium (pink) and underlying lymphoid tissue.
    Dual chamber pacemaker — Stock Photo
    Dual chamber pacemaker
    Doctor viewing brain scans on computer screen. — Stock Photo
    Doctor viewing brain scans on computer screen.
    Doctor viewing X-ray of hand on laptop screen. — Stock Photo
    Doctor viewing X-ray of hand on laptop screen.
    Normal human brain — Stock Photo
    Normal human brain
    Middle-aged woman on an open MRI machine waiting for the test to begin — Stock Photo
    Middle-aged woman on an open MRI machine waiting for the test to begin
    Prosthetic heart valves — Stock Photo
    Prosthetic heart valves
    Computer enhanced false-colour Magnetic Resonance Image (MRI) of a mid-sagittal section through the head of a normal 46 year-old woman, showing structures of the brain, spine and facial tissues. — Stock Photo
    Computer enhanced false-colour Magnetic Resonance Image (MRI) of a mid-sagittal section through the head of a normal 46 year-old woman, showing structures of the brain, spine and facial tissues.
    View of Pituitary tumor — Stock Photo
    View of Pituitary tumor
    Endobronchial valves fitted to treat tuberculosis — Stock Photo
    Endobronchial valves fitted to treat tuberculosis
    Prosthetic heart valves — Stock Photo
    Prosthetic heart valves
    Coloured angiogram (blood vessel X-ray) of the coronary arteries of a 52 year old patient. The artery at right has had a stent placed in it to treat a blockage. — Stock Photo
    Coloured angiogram (blood vessel X-ray) of the coronary arteries of a 52 year old patient. The artery at right has had a stent placed in it to treat a blockage.
    Pensive male doctor with hand on chin examining MRI scan. — Stock Photo
    Pensive male doctor with hand on chin examining MRI scan.
    Middle-aged woman on an open MRI machine waiting for the test to begin — Stock Photo
    Middle-aged woman on an open MRI machine waiting for the test to begin
    Doctors interacting with patient in scanning room at hospital — Stock Photo
    Doctors interacting with patient in scanning room at hospital
    Surgeons looking at magnetic resonance imaging (MRI) brain scans during brain surgery. — Stock Photo
    Surgeons looking at magnetic resonance imaging (MRI) brain scans during brain surgery.
    Coloured chest X-ray showing aspiration (dark areas) in the lungs of a 76-year-old female patient with an extensive brain haemorrhage. — Stock Photo
    Coloured chest X-ray showing aspiration (dark areas) in the lungs of a 76-year-old female patient with an extensive brain haemorrhage.
    Knitting needle piercing through arm — Stock Photo
    Knitting needle piercing through arm
    Radiographer comforting patient before computed tomography (CT) scan. — Stock Photo
    Radiographer comforting patient before computed tomography (CT) scan.
    Doctor looking at brain mri scan on digital tablet and patient entering mri scanning machine at hospital — Stock Photo
    Doctor looking at brain mri scan on digital tablet and patient entering mri scanning machine at hospital
    Colored magnetic resonance imaging scans of healthy brain of patient. — Stock Photo
    Colored magnetic resonance imaging scans of healthy brain of patient.
    Dual chamber pacemaker — Stock Photo
    Dual chamber pacemaker
    Fractured flexor tendon — Stock Photo
    Fractured flexor tendon
    Medical MRI scan monitor room in hospital — Stock Photo
    Medical MRI scan monitor room in hospital
    Normal human brain — Stock Photo
    Normal human brain
    Healthy ankle joint — Stock Photo
    Healthy ankle joint
    Surgeons looking at magnetic resonance imaging (MRI) brain scans during brain surgery. — Stock Photo
    Surgeons looking at magnetic resonance imaging (MRI) brain scans during brain surgery.
    Limescale, coloured scanning electron micrograph (SEM). — Stock Photo
    Limescale, coloured scanning electron micrograph (SEM).
    Middle-aged woman and her doctor in an open MRI machine waiting for the test to start — Stock Photo
    Middle-aged woman and her doctor in an open MRI machine waiting for the test to start
    Coloured X-ray of the chest of a 52 year old female patient with metastatic (secondary) lung cancer (yellow). — Stock Photo
    Coloured X-ray of the chest of a 52 year old female patient with metastatic (secondary) lung cancer (yellow).
    Woman receiving aesthetic laser scan in clinic — Stock Photo
    Woman receiving aesthetic laser scan in clinic
    Foreign body in finger — Stock Photo
    Foreign body in finger
    Educational device for optical experiments — Stock Photo
    Educational device for optical experiments
    Visual render of Brain cancer — Stock Photo
    Visual render of Brain cancer
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Coloured X-ray of the chest of a 52 year old female patient with metastatic (secondary) lung cancer (yellow). — Stock Photo
    Coloured X-ray of the chest of a 52 year old female patient with metastatic (secondary) lung cancer (yellow).
    Cancellous Bone tissue — Stock Photo
    Cancellous Bone tissue
    View of meningioma tumor — Stock Photo
    View of meningioma tumor
    Colored computed tomography scan of section through brain of senior male patient with dementia. — Stock Photo
    Colored computed tomography scan of section through brain of senior male patient with dementia.
    X-ray of dislocated shoulder — Stock Photo
    X-ray of dislocated shoulder
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Foreign body in finger — Stock Photo
    Foreign body in finger
    Doctors examining scan on computer with patient on MRI scanner in background — Stock Photo
    Doctors examining scan on computer with patient on MRI scanner in background
    Normal human brain — Stock Photo
    Normal human brain
    Coloured X-ray showing cancer in the left lung of a 55-year-old patient. — Stock Photo
    Coloured X-ray showing cancer in the left lung of a 55-year-old patient.
    Cross-section of human brain — Stock Photo
    Cross-section of human brain
    Colored computed tomography scan of section through brain of senior male patient with dementia. — Stock Photo
    Colored computed tomography scan of section through brain of senior male patient with dementia.
    Doctor looking at brain mri scan on digital tablet at hospital — Stock Photo
    Doctor looking at brain mri scan on digital tablet at hospital
    Digital illustration of budding yeast cells in imaging flow cytometry. — Stock Photo
    Digital illustration of budding yeast cells in imaging flow cytometry.
    Doctor examining brain mri scan on digital tablet at hospital — Stock Photo
    Doctor examining brain mri scan on digital tablet at hospital
    Colored computed tomography scan of section through brain of senior male patient with dementia. — Stock Photo
    Colored computed tomography scan of section through brain of senior male patient with dementia.
    Metastatic breast cancer — Stock Photo
    Metastatic breast cancer
    Coloured X-ray of scoliosis of spine — Stock Photo
    Coloured X-ray of scoliosis of spine
    Woman looking mri scan report on computer screen in clinic — Stock Photo
    Woman looking mri scan report on computer screen in clinic
    Modern hospital operating room prepared for brain surgery. — Stock Photo
    Modern hospital operating room prepared for brain surgery.
    Surgeon looking magnetic resonance imaging (MRI) brains scans during brain surgery. — Stock Photo
    Surgeon looking magnetic resonance imaging (MRI) brains scans during brain surgery.
    Hip before hip replacement surgery, X-ray — Stock Photo
    Hip before hip replacement surgery, X-ray
    Portrait of doctors smiling with X-ray in hospital — Stock Photo
    Portrait of doctors smiling with X-ray in hospital
    Dense connective tissue, coloured scanning electron micrograph (SEM). — Stock Photo
    Dense connective tissue, coloured scanning electron micrograph (SEM).
    Swallowed coins in the oesophagus — Stock Photo
    Swallowed coins in the oesophagus