Study on the contractions of frog muscles, by Luigi Galvani , engraving, Italy, 18th century.Study on contractions of frog muscles, by Luigi Galvani (1737-1798), engraving, Italy, 18th century
frog's nervous system, illustration - frog anatomy stock illustrationsFrog's nervous system, illustration
pancreas. serous acini, immunofluorescent photomicrograph, organs samples, histological examination, histopathology on the microscope. - frog anatomy stock pictures, royalty-free photos & imagesPancreas. Serous acini, Immunofluorescent photomicrograph, Organs samples, Histological examination, histopathology on the microscope.
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lung of the human and various animals, woodcuts, published 1893 - frog anatomy stock illustrationsLung of the human and various animals, woodcuts, published 1893
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microscopy photography. cardiac muscle section, immunofluorescent photomicrograph, organs samples, histological examination, histopathology on the microscope. - frog anatomy stock pictures, royalty-free photos & imagesMicroscopy photography. Cardiac muscle section, Immunofluorescent photomicrograph, Organs samples, Histological examination, histopathology on the microscope.
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frog's internal organs, illustration - frog anatomy stock illustrationsFrog's internal organs, illustration
Engraving. Luigi Galvani discovered �animal electricity� in the late 18th century. This demonstrated that nerves and muscles in animals function by...Galvani experiment on frogs� legs, late 18th century.
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yellingbo nature conservation reserve, victoria, australia. face and eyes of an eastern banjo frog under a ruby red spotlight. - frog anatomy stock pictures, royalty-free photos & imagesYellingbo Nature Conservation Reserve, Victoria, Australia. Face and eyes of an Eastern banjo frog under a ruby red spotlight.
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frog's visceral organs, illustration - frog anatomy stock illustrationsFrog's visceral organs, illustration
frog's visceral organs, illustration - frog anatomy stock illustrationsFrog's visceral organs, illustration
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frog's internal organs, illustration - frog anatomy stock illustrationsFrog's internal organs, illustration
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The frog experiment and the discovery of animal electricity by Luigi Galvani September 20 illustration by C Gilbert, from Know Yourself, Notions of...Frog experiment, discovery of animal electricity
digital illustration of frogs each having distinctive calls known as dominant frequencies made from different areas of pond - frog anatomy stock illustrationsDigital illustration of frogs each having distinctive calls known as dominant frequencies made from different areas of pond
african american student uses magnifying glass to study dissected frog - frog anatomy stock pictures, royalty-free photos & imagesAfrican American student uses magnifying glass to study dissected frog
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male biology teacher prepares students before dissecting a frog - frog anatomy stock pictures, royalty-free photos & imagesMale biology teacher prepares students before dissecting a frog
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Study on the contractions of frog muscles, by Luigi Galvani , engraving, Italy, 18th century.Study on contractions of frog muscles, by Galvani
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amphibian research centre, victoria, australia. portrait of a painted or spade foot frog with bright yellow markings. - frog anatomy stock pictures, royalty-free photos & imagesAmphibian Research Centre, Victoria, Australia. Portrait of a painted or spade foot frog with bright yellow markings.
