Development and embryonic pattern of bod
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Vera S. Hunnekuhl; Annette Bergter; Günter Purschke; Achim Paululat
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Article
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2009
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John Wiley and Sons
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English
⚖ 900 KB
## Abstract During early development of __Eisenia andrei__ (Crassiclitellata), a loose arrangement of primary circular and longitudinal muscles encloses the whole embryo. Circular muscles differentiate in an anterior–posterior progression creating a segmental pattern. Primary circular muscles emerg