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The Body Wall and its Ornamentations
Fig. 9. Cuticular structures of nematodes. A. Variations and terminology of surface patterns (redrawn from Freckman and Baldwin, 1990). B. The anterior end of a nematode showing lateral cervical alae. C. The lip region of Acrobeles sp. showing probolae. D. The posterior end of a male including caudal alae. E. A cross section of a nematode showing the layers of the body wall.
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