CERTAIN ASPECTS OF THE CENTRIOLE ADJUNCT, SPERMIOGENESIS, AND THE MATURE SPERM OF INSECTS

Publisher Website
Google Scholar
Abstract
The presence of a centriole/adjunct is reported in the spermatozoa of several species of mosquitoes, 2 species of Drosophila. and one or more species in the insect orders Mecoptera, Neuroptera and Odonata. In the mosquitoes, the centriole adjunct forms a partial sheath around the base of the tail in the mature spermatozoon. The axial filament or flagellum of the mosquitoes studied is apparently of the 9 + 9 + 1 conformation. Several cases are cited in insect spermatozoa in which the mitochondrial derivatives are parallel to the axial filament rather than helical. Comparisons are made between insect spermatozoa and those of certain vertebrates with emphasis on mammals. It is concluded that the application of mammalian terminology to the spermatozoa of insects is misleading.

This publication has 16 references indexed in Scilit: