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Light micrograph of the rear surface of an unstained iris showing the localisation of pigment cells The melanin pigment is concentrated in the rear s
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Dolphins head muscles illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Dolphins head muscles illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Posterior surface of the iris light micrograph 05 micrometre thick section of plastic embedded material stained with toluidine blue showing from le
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Rear surface of iris light micrograph 05 micrometre thick section of plastic embedded material stained with toluidine blue showing from right post
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Asthmatic pregnant woman Woman using a pressurized aerosol Ventolin inhaler to control an attack of asthma The Ventolin inhaler uses a drug called
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Antenatal class Midwife conducting an antenatal class for pregnant women and their partners She is explaining the various comfort positions which
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Asthmatic pregnant woman Pregnant (at about 6 months) woman using a pressurized aerosol Ventolin inhaler to control an attack of asthma The Ventol
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Asthmatic pregnant woman Pregnant (at about 6 months) woman using a pressurized aerosol Ventolin inhaler to control an attack of asthma The Ventol
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Asthma inhaler Man using a pressurized aerosol Ventolin inhaler to control an attack of asthma The Ventolin inhaler uses a drug called salbutamol
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Rear surface of iris light micrograph 05 micrometre thick section of plastic embedded material stained with toluidine blue showing from right post
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Illustration of the structure of smooth muscle in ciliary musculature of eye This illustration is from Asklepios Atlas of the Human Anatomy
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Illustration of the structure of smooth muscle in ciliary musculature of eye This labelled illustration is from Asklepios Atlas of the Human Anatomy
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Light micrograph of the back surface of an unstained iris showing the localization of pigment cells The melanin pigment is concentred in the back sur
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Light micrograph showing the back surface of an unstained iris showing the localization of pigment cells The melanin pigment is concentred in the bac
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Aneurysm Coloured angiogram of an aneurysm irregularly shaped deep orange area at lower centre seen distorting the left ventricle of the heart Ane
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Illustration showing the use of a Ventolin inhaler to control recurrent attacks of asthma featuring a cutaway drawing of a man which shows the tree
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Male sexual arousal Computer artwork showing a flaccid (unaroused) penis (top) and an erect (aroused) penis (bottom) At centre left is a cross-secti
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False-colour scanning electron micrograph (SEM) of surface cells on the iris of the eye The iris is the coloured part of the eye behind the cornea P
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Human eye Close-up of a human eye with a dilated pupil (black centre) This aperture allows light to enter the eye A ring of coloured muscles the
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Iris light micrograph Posterior surface of the eyes iris showing from top to bottom the heavily pigmented posterior epithelial layer anterior ep
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Facial muscle anatomy 19th-century illustration The muscles labelled here here the frontalis muscle of the forehead the procerus nasalis and the
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Pupil of eye Artwork showing how the pupil of the eye reacts in three different light intensities The pupil is the circular opening (black) in the c
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Human eye Close-up of a human eye See P420327 for the same eye with the pupil dilated The human eye works like a camera The front curved part of
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Blood vessel Computer artwork of branching blood vessels Arteries carry blood away from the heart They branch (as seen here) forming arterioles tha
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