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    Human hair with dandruff and close-up of light micrograph, digital artwork. — Stock Photo
    Human hair with dandruff and close-up of light micrograph, digital artwork.
    Parotid salivary gland — Stock Photo
    Parotid salivary gland
    Human cardiac muscle, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human cardiac muscle, light micrograph. Haematoxylin and eosin stain.
    Adenocarcinoma of the sigmoid colon — Stock Photo
    Adenocarcinoma of the sigmoid colon
    Parotid salivary gland — Stock Photo
    Parotid salivary gland
    Stomach infected with parasitic nematode worms — Stock Photo
    Stomach infected with parasitic nematode worms
    Asbestos fibres in lung tissue, light micrograph. — Stock Photo
    Asbestos fibres in lung tissue, light micrograph.
    Parotid salivary gland — Stock Photo
    Parotid salivary gland
    Acute pyelonephritis, computer illustration and light micrograph — Stock Photo
    Acute pyelonephritis, computer illustration and light micrograph
    Liver cirrhosis. Computer illustration and light micrograph of a section through a human liver with from primary biliary cirrhosis. Cirrhosis is a disease in which bands of fibrosis (internal scarring) break up the internal structure of the liver — Stock Photo
    Liver cirrhosis. Computer illustration and light micrograph of a section through a human liver with from primary biliary cirrhosis. Cirrhosis is a disease in which bands of fibrosis (internal scarring) break up the internal structure of the liver
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Cross-section through a cotton stem — Stock Photo
    Cross-section through a cotton stem
    Human chromosomes, light micrograph. — Stock Photo
    Human chromosomes, light micrograph.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Human smooth muscle, light micrograph. — Stock Photo
    Human smooth muscle, light micrograph.
    Salivary gland. Light micrograph (LM) of a sectioned gland. The submandibular glands (also called sublingual) are bilateral salivary glands located in the face — Stock Photo
    Salivary gland. Light micrograph (LM) of a sectioned gland. The submandibular glands (also called sublingual) are bilateral salivary glands located in the face
    Human sciatic nerve — Stock Photo
    Human sciatic nerve
    Human stomach mucinous adenocarcinoma, computer illustration and light micrograph. — Stock Photo
    Human stomach mucinous adenocarcinoma, computer illustration and light micrograph.
    Kidney with acute nephritis — Stock Photo
    Kidney with acute nephritis
    Human cardiac tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human cardiac tissue, light micrograph. Haematoxylin and eosin stain.
    Lobar pneumonia in stage of grey hepatisation or late consolidation, digital illustration and light micrograph. — Stock Photo
    Lobar pneumonia in stage of grey hepatisation or late consolidation, digital illustration and light micrograph.
    Human stomach adenocarcinoma, computer illustration and light micrograph. — Stock Photo
    Human stomach adenocarcinoma, computer illustration and light micrograph.
    Digital illustration of nerve neurons cells. — Stock Photo
    Digital illustration of nerve neurons cells.
    Prostate showing a concretion of secretory materials — Stock Photo
    Prostate showing a concretion of secretory materials
    Pseudostratified epithelium, light micrograph. Pseudostratified epithelium is a type of epithelium that comprises only a single layer of cells. — Stock Photo
    Pseudostratified epithelium, light micrograph. Pseudostratified epithelium is a type of epithelium that comprises only a single layer of cells.
    Scientist checking nanofibre structure under light microscope. — Stock Photo
    Scientist checking nanofibre structure under light microscope.
    Ovary. Light micrograph (LM) of section through whole ovary. Cortex (outer region) contains numerous corpora lutea (pink) and follicles (purple) at various stages of development — Stock Photo
    Ovary. Light micrograph (LM) of section through whole ovary. Cortex (outer region) contains numerous corpora lutea (pink) and follicles (purple) at various stages of development
    Section through the olfactory epithelium — Stock Photo
    Section through the olfactory epithelium
    Neutrophil cells aggregating at site of infection — Stock Photo
    Neutrophil cells aggregating at site of infection
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Secondary follicles in an ovary — Stock Photo
    Secondary follicles in an ovary
    Purkinje neurons in the cerebellum — Stock Photo
    Purkinje neurons in the cerebellum
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Human tendon, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human tendon, light micrograph. Haematoxylin and eosin stain.
    Ascaris Roundworm ovaries — Stock Photo
    Ascaris Roundworm ovaries
    Liver cirrhosis. Computer illustration and light micrograph of a section through a human liver with from primary biliary cirrhosis. Cirrhosis is a disease in which bands of fibrosis (internal scarring) break up the internal structure of the liver — Stock Photo
    Liver cirrhosis. Computer illustration and light micrograph of a section through a human liver with from primary biliary cirrhosis. Cirrhosis is a disease in which bands of fibrosis (internal scarring) break up the internal structure of the liver
    Light micrograph of rectal papilloma on white background, — Stock Photo
    Light micrograph of rectal papilloma on white background,
    Longitudinal section of a human sciatic l nerve — Stock Photo
    Longitudinal section of a human sciatic l nerve
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma. — Stock Photo
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma.
    Acute pyelonephritis, computer illustration and light micrograph — Stock Photo
    Acute pyelonephritis, computer illustration and light micrograph
    Stomach surface epithelium, light micrograph (LM). The surface epithelium of the stomach is a simple columnar epithelium formed by tall mucous cells that invaginate to form the gastric pits — Stock Photo
    Stomach surface epithelium, light micrograph (LM). The surface epithelium of the stomach is a simple columnar epithelium formed by tall mucous cells that invaginate to form the gastric pits
    Light micrograph of nerve cells. — Stock Photo
    Light micrograph of nerve cells.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Broom stem. Light micrograph (LM) of transverse section through stem of common broom (Salicornia europaea) plant. Broom is drought plant (xerophyte) with ribbed stems and branches to increase area for photosynthesis — Stock Photo
    Broom stem. Light micrograph (LM) of transverse section through stem of common broom (Salicornia europaea) plant. Broom is drought plant (xerophyte) with ribbed stems and branches to increase area for photosynthesis
    Areolar connective tissue, light micrograph. — Stock Photo
    Areolar connective tissue, light micrograph.
    Testicular cancer or teratoma — Stock Photo
    Testicular cancer or teratoma
    Human stomach adenocarcinoma, computer illustration and light micrograph. — Stock Photo
    Human stomach adenocarcinoma, computer illustration and light micrograph.
    Human oesophagus wall — Stock Photo
    Human oesophagus wall
    Thyroid gland showing the follicles — Stock Photo
    Thyroid gland showing the follicles
    Fallopian tube cellular structure — Stock Photo
    Fallopian tube cellular structure
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Colon lining and mucous producing cells — Stock Photo
    Colon lining and mucous producing cells