Summary
During each moult the anal glands in Rhapidostreptus virgator are partly dissolved and subsequently rebuilt and enlarged by embryonic cells within the anal sac epithelium. An embryonic cell undergoes two mitoses thus producing the four cells which are present in a glandular unit. During the genesis of the glandular units each of the latter secretory cells produce a ciliary process, which is believed to serve as a mould for the canal cell, which in turn secretes the cuticular efferent duct.
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Schlüter, U. The anal glands of Rhapidostreptus virgator (Diplopoda, Spirostreptidae). Zoomorphology 102, 79–86 (1983). https://doi.org/10.1007/BF00310734
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DOI: https://doi.org/10.1007/BF00310734