Earthworm Photos
| external view, segments 14 - 15, openings of oviducts and vasa deferentia | external view, four pairs of setae |
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| external view, mouth | external view, anus |
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| internal view, crop and gizzard | internal view, heart(s) |
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| internal view, seminal receptacles | internal view, dorsal blood vessel |
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| internal view, nephridia | internal view, nerve cord and ventral blood vessel |
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| internal view, nerve cord and ventral blood vessel | internal view, brain |
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| internal view, brain | cross section of intestine only |
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| cross section of whole worm | |
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