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The pancreas is a glandular organ in the upper abdomen, but really it serves as two glands in one: a digestive exocrine gland and a hormone-producing endocrine gland. Functioning as an exocrine gland, the pancreas excretes enzymes to break down the proteins, lipids, carbohydrates, and nucleic acids in food. Functioning as an endocrine gland, the pancreas secretes the hormones insulin and glucagon to control blood sugar levels throughout the day.
Discarded old mattress on a footpath against a wall.
There are two main types of mantis shrimp: 'spearers' and 'smashers'. Both types strike by rapidly unfolding and swinging the raptorial claw at the prey. 'Spearers' have a claw lined with numerous sharp teeth and they hunt by impaling prey on these teeth.
White tissue paper closeup
Inflammation of the uvula in the oral cavity due to infection and virus. Treatment of the disease is uvulitis. Red throat due to illness, macro
an elaborate and immaculately installed central heating control system in an expensive new house. This system represents an advanced energy efficient heating installation.
Amazing laptop charger cable
Fire sprinkler system valves and gauges in a building in Jersey City, USA on a cloudy day.
Illustration of black backlight Reticulated Python snake Pythonidae Reticulatus, silhouette isolated on white background, with copy space.
pressure gauge water pressure measuring tool
Wet sea stones background. Seamless pattern. Pebble texture. Macro closeup.
Close up industrial pipe valve control system
colorful and beautiful flower close up Abstract background
Bilayer Lipid Membrane - 3d rendered image of Cell Membrane Phospholipid Structure, Phospholipid bilayer of the cell membrane. Abstract medical illustration. Microscopic view. Microbiologic research concept.
Upper Gastrointestinal Endoscopy. Esophageal Gastic polyp. Diagnosis at hospital. Treatment concept.
Combi gas boiler with water and gas pipes
Snail on red flowers
Close up on a dirty old mattress in the sun.
Geothermal stainless steel power pipe structure of a geothermal power station against black background
Gas prices at the pump.
Cross section view of a mitochondria
Outdoor tap dripping.
Helicobacter pylori is a gram-negative, flagellated, helical bacterium. It is capable of colonizing the stomach mucosa. 3d rendering
3D illustration of human stomach structure.
worm in a cherry large view
Plumbing Main Control
Isolated structure of proteins channels on the lipid bilayer membrane 3d rendering
Stock photo showing close-up view of wall mounted compressed natural gas (cng) meter and distribution pipes.
Pancreatic pain. Vise with human pancreas, 3D rendering isolated on white background
Human stomach model on white background
Free Images: "bestof:Gasterialiliputana.jpg en Gasteria liliputana Gasteria obliqua Gasteria bicolor at the Volunteer Park Conservatory Seattle Washington USA Identified by sign own"
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Springtime in Bartholdi Park - Washington, DC - DSC09439.JPG
Butterfly show - Krohn Conservatory - DSC03612.JPG
Butterfly show - Krohn Conservatory - DSC03621.JPG
Butterfly show - Krohn Conservatory - DSC03624.JPG
Butterfly show - Krohn Conservatory - DSC03641.JPG
Butterfly show - Krohn Conservatory - DSC03660.JPG
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Seattle Aquarium, 1.JPG
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San Francisco Conservatory of Music - DSC01305.JPG
San Francisco Conservatory of Music - DSC01303.JPG
San Francisco Conservatory of Music - DSC01302.JPG
San Francisco Conservatory of Music - DSC01300.JPG
San Francisco Conservatory of Music - DSC02724.JPG
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Beach-in-St-Andrew-State-Park-Florida.jpg
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California-Coast-in-Mendocino.jpg
Panneau parc Château de Champs sur Marne.jpg
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Sunset Boulevard Bridge.jpg
Hypera zoilus Kaldari 01.jpg
Square piano, Chickering, c. 1830 - National Museum of American History - DSC00078.jpg
Wawawai-County-Park-on-the-Snake-River.jpg
Waterfalls-in-Ricketts-Glen-State-Park.jpg
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Bodhisattva Jin Shanxi Bruxelles 02 10 2011 1.jpg
Reliefs - Spreckels Temple of Music - San Francisco, CA - DSC05238.JPG
Restoration Area Sign.jpg
Dolly-Sods-Wilderness-West-Virginia.jpg
Panneau plan domaine Fontainebleau.jpg
Scarlet macaw at Cougar Mountain Zoological Park.jpg
Hyacinthine macaw headshot at Cougar Mountain Zoological Park.jpg
Green-winged macaw at Cougar Mountain Zoological Park.jpg
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SLNSW 13194 Women volunteer workers doing up clothing parcels at the ACF rooms taken for Australian Comforts Fund.jpg
Pieter_Brueghel_the_Elder_-_The_Dutch_Proverbs_-_Google_Art_Project.jpg
The_Cottage_Dooryard-1673-Adriaen_van_Ostade.jpg
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Legenda park.svg
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Washington County 6A NY blade sign.svg
Washington County 6B NY blade sign.svg
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South_Entrance_Sign.jpg
Great flying birdcage, zoo park 4a13184v.jpg
Black birches, Zoo park 4a30548v.jpg
Korea Traffic Safety Sign - Assistance - 405 Time Park One Hour.svg
Korea Traffic Safety Sign - Assistance - 406 Time Park One Hour.svg
An Autumn pathway, zoo park 4a13181v.jpg
SDOT R7-108P.svg
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I-495 (big).svg
Two_women_at_a_window_by_bartolome_esteban_murillo.jpg
Tuskegee airmen playing cards.jpg
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Andrew Johnson by Washington B. Cooper, after 1866 - DSC03243.JPG
Millard Fillmore by unidentified artist, circa 1843 - DSC03253.JPG
Benjamin Harrison by Theodore C. Steele (detail), 1900 - DSC03275.JPG
John_Quincy_Adams_by_George_Caleb_Bingham,_c._1850_after_1844_original_-_DSC03234.JPG
The_South_Strand_by_Emil_Carlsen_-_Renwick_Gallery_-_DSC08413.JPG
DISTRICT OF COLUMBIA PARKS. AIR VIEW POTOMAC PARK.jpg
Tree Nursery, Paul Klee, 1929, oil on incised gesso on canvas (detail) - Phillips Collection - DSC04897.JPG
Homeward Bound, Albert Pinkham Ryder, c. 1893-1894, oil on canvas mounted on wood panel - Phillips Collection - DSC04832.JPG
Two in a Boat, Theodore Robinson, 1891, oil on canvas adhered to cardboard - Phillips Collection - DSC04854.JPG
Tree Nursery, Paul Klee, 1929, oil on incised gesso on canvas - Phillips Collection - DSC04894.JPG
Many Waters, Arthur B. Davies, c. 1905, oil on paper adhered to canvas - Phillips Collection - DSC04954.JPG
Ann Barry by Gilbert Stuart, 1803-1805, oil on canvas - National Gallery of Art, Washington - DSC09719.JPG
La Camargo Dancing by Nicolas Lancret, c. 1730, oil on canvas, view 1 - National Gallery of Art, Washington - DSC09961.JPG
Madame David by Jacques-Louis David, 1813, oil on canvas - National Gallery of Art, Washington - DSC09988.JPG
Sir Joshua Reynolds by Gilbert Stuart, 1784, oil on canvas - National Gallery of Art, Washington - DSC00027.JPG
The Lackawanna Valley by George Inness, 1855, oil on canvas - National Gallery of Art, Washington - DSC00066.JPG
Calm Sea by Gustave Courbet, 1866, oil on canvas - National Gallery of Art, Washington - DSC00134.JPG
George Washington by Gilbert Stuart, 1796, oil on canvas - Brooklyn Museum - DSC09313.JPG
Wood County Courthouse (West Virginia) - HABS 174007pu.jpg
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Wood County Courthouse (West Virginia) - HABS 174009pu.jpg
Wood County Courthouse (West Virginia) - HABS 174010pu.jpg
Wood County Courthouse (West Virginia) - HABS 174011pu.jpg
Wood County Courthouse (West Virginia) - HABS 174012pu.jpg
View from the Farnese Gardens, Rome, Jean-Baptiste-Camille Corot, 1826, oil on paper mounted on canvas - Phillips Collection - DSC04777.JPG
The Way to the Citadel, Paul Klee, 1937, oil on canvas mounted on cardboard - Phillips Collection - DSC04920.JPG
La Camargo Dancing by Nicolas Lancret, c. 1730, oil on canvas, view 2 - National Gallery of Art, Washington - DSC09962.JPG
The Fall of Man by Hendrik Goltzius, Dutch, 1616, oil on canvas - National Gallery of Art, Washington - DSC09946.JPG
Benjamin and Eleanor Ridgely Laming by Charles Willson Peale, 1788, oil on canvas - National Gallery of Art, Washington - DSC00050.JPG
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