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
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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.