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Tadpole gill blood circulation: Common Frog (Rana temporaria) tadpole collected from pond near Newcastle Emlyn, UK.
Transparent gill branch capillaries reveal red blood cells flowing through them. Low magnification videomicrography using dark field illumination, Horizontal field length approximately 0.5 mm. Olympus BH-2 microscope X6.3 Leitz Plan...
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Tadpoles of Common Frog (Rana temporaria) with gills
Tadpoles of Common Frog (Rana temporaria) with gills
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"medical organ dummy/Richmond,Virginia, USA"
'medical organ dummy/Richmond,Virginia, USA'
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Tadpole of Common Frog (Rana temporaria) with gills
Tadpole of Common Frog (Rana temporaria) with gills
Getty Images
Tadpoles of Common Frog (Rana temporaria) with gills
Tadpoles of Common Frog (Rana temporaria) with gills
Getty Images
Tadpoles of Common Frog (Rana temporaria) with gills
Tadpoles of Common Frog (Rana temporaria) with gills
Getty Images
Tadpoles of Common Frog (Rana temporaria) with gills
Tadpoles of Common Frog (Rana temporaria) with gills
Getty Images
Tadpoles of Common Frog (Rana temporaria) with gills
Tadpoles of Common Frog (Rana temporaria) with gills
AFP News Agency
CLEAN : First batch of Sputnik V Covid-19 vaccines arrives in Paraguay
A first batch of 4,000 Russian Sputnik V Covid-19 vaccines arrives in Paraguay, set for use on staff in respiratory therapy units of the South American country's hospitals, according to local authorities (Footage by AFPTV via Getty Images)
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Pre Oxygeanation before insert endotracheal tube
Pre oxygenation before Insert endotracheal for general anaesthesia in operation room
AFP News Agency
CLEAN : Football: Maradonas father Don Diego dead at 87
CLEAN : Football: Maradonas father Don Diego dead at 87
AFP News Agency
CLEAN : Japan reports case of mystery virus behind China outbreak
A case of the mystery respiratory infection related to the potentially deadly SARS virus which first emerged in China has been confirmed by authorities in Japan (Footage by AFPTV via Getty Images)
AFP News Agency
CLEAN : Massive cloud of Saharan dust darkens Havana
A massive cloud of Saharan dust darkens much of Cuba, sparking warnings to people with respiratory illnesses to stay home amid the COVID-19 pandemic (Footage by AFPTV via Getty Images)
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A mother talks to her son as he uses a nebulizer.
A mother talks to her son as he uses a nebulizer.
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Rotating view of CTA ( Computed topographic angiography) of Coronary artery
Rotating view of CTA ( Computed topographic angiography) of Coronary artery 3D rendering image. heart shape illustration.