Abstract
Abstract Using cell whole mount preparation, early morphogenesis and ultrastructure of the axoneme of Coccinella septempunctata L. spermatocyte were investigated by transmission electron microscope. During spermatogenesis two pairs of basal body‐axoneme complexes originated from centrioles are found in the spermatocyte and they are separated completely from each other at interkinesis. The centriolar adjunct begins to generate while a basal body‐axoneme complex is attached to the nuclear envelope of a spermatid nucleus, and it, on the proximal end of a growing axoneme, reaches a maximum before chromatin condensation. The growing axoneme is accompanied by the condensable nucleus elongation. The early axoneme of a basal body‐axoneme complex consists nine doublets with only inner and outer dynein arms, no central microtubules.
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