THE FINE MORPHOLOGY OF LEMNISCI IN POLYMORPHUS MAGNUS (ACANTHOCEPHALA,
POLYMORPHIDAE)
V. P. Nikishin
Institute of Biological Problems of the North, Far East Branch of RAS, Magadan;
The ultrastructure of lemnisci in female acanthocephala (Polymorphus magnus) has been studied. Lemnisci
are shown to be specific metabolic centers, where lipids are accumulated and utilized. Lipids get to these centers
either by means of absorprion by praesomal tegument or from the pseudocoel through the system of invaginations of
cytoplasmic membrane limiting the lemnisci. Lipids are supposed to be transported after conversion into the
praesoma tegument and secreted to its surface through the striated layer canals.
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