Structure and function of seminal vesicles of Orthoptera Tettigonioidea

Viscuso, R.; Narcisi, Lucia; Sottile, L.

doi:10.1016/s0020-7322(99)00022-7

Cited by 27 publications

(29 citation statements)

References 11 publications

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“…A spermiophagic activity of the seminal vesicles of insects has been found only in some species of Orthoptera Tettigonioidea (Viscuso et al, 1999) where, however, unlike what we have shown here, this mechanism is carried out thanks to the formation of long apical extensions that act as pseudopodia enveloping the sex cells and thus incorporating them into the cytoplasm.…”

Section: Discussioncontrasting

confidence: 62%

“…As in other insects belonging to different orders (Viscuso et al, 1999;Couche & Gillot, 1988;Gillot, 1988), the seminal vesicle wall in B. thaii is made up of a monolayer epithelium that surrounds the lumen and that does not have a cuticular intima thus showing its mesodermic origin; close to the epithelium there is a theca of striated muscle fibres whose contraction is important for the expulsion of the sperm during ejaculation.…”

Section: Discussionmentioning

confidence: 76%

“…As regards the Orthoptera, the seminal vesicles appear to be made up of a single tubule per side, which is long and twisted many times in the species belonging to the Orthoptera Acridoidea (Cantacuzène, 1972), while in the Tettigonioidea the seminal vesicles appear to be made up of many tubules per side whose number varies according to the species considered (Viscuso et al, 1999).…”

Section: Introductionmentioning

confidence: 99%

“…From recent research, however, there seem to be other functions of these structures in the reproductive process that appear to be different according to the strategy of reproduction (Couche & Gillot, 1988;Cattaneo etal, 1997;Viscuso et al, 1999).…”

Section: Introductionmentioning

confidence: 99%

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Ultrastructural organization of the seminal vesicles of Baculum thaii (Phasmida, Phasmatidae) during sexual maturity

Viscuso

Brundo

Sottile

2005

Italian Journal of Zoology

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A morphological and ultrastructural study was carried out on the seminal vesicles of Baculum thaii removed from individuals killed at 4, 10 and 20 days from the imaginai moult, with the intention of showing any modifications that these structures undergo during sexual maturity. From the comparative examination, clear evidence was found of epithelial transformations of these organs during sexual maturity: there was a gradual increase in cellular volume accompanied by a progressive development of the apparatus of synthesis. The most particular characteristics, however, in the individuals killed at 10 and 20 days from the moult were, in addition to a marked secretory activity, the presence of spermiophagic activity, which had never been found in the genital tracts of this order of insects. In the light of these results, it can be affirmed that the seminal vesicles of B. thaii, apart from being the site of the secretory activity necessary for maintaining the sperm in this area, also assume an important role in the processes of "controlling" and "regulating" sexual material that is kept ready for transfer to the female genitalia.

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Section: Discussioncontrasting

confidence: 62%

Section: Discussionmentioning

confidence: 76%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Ultrastructural organization of the seminal vesicles of Baculum thaii (Phasmida, Phasmatidae) during sexual maturity

Viscuso

Brundo

Sottile

2005

Italian Journal of Zoology

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“…The anterior portion stores the mature spermatozoa and participates in the reabsorption and digestion of defective cells (spermiophagy) and sperm fluid, as reported for other species ( Viscuso et al, 1999, Dallacqua and Cruz-Landim, 2003and Araújo et al, 2005a. On the other hand, the posterior seminal vesicle portion acts on the ejaculation ( Gerling andLegner, 1968 andBoomsma, 2004).…”

Section: Discussionmentioning

confidence: 73%

Structural and ultrastructural characterization of male reproductive tracts and spermatozoa in fig wasps of the genus Pegoscapus (Hymenoptera, Chalcidoidea)

Fiorillo

Lino‐Neto

Báo

2008

Micron

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Histology and ultrastructure of the testis and vas deferens in Pseudochorthippus parallelus parallelus (Orthoptera, Acrididae)

Polat

Mutlu

Ünal

et al. 2019

Microscopy Res & Technique

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Pseudochorthippus parallelus parallelus (Zetterstedt, 1821) (Orthoptera, Acrididae) is a widespread species in Europe, and also it is localized in some regions in Turkey such as Bursa, Eskişehir, Ankara, Bolu, Düzce, and Çankırı. The features of the reproductive organs such as the numbers and shapes of testes and follicles can be used as taxonomical characters. For this purpose, the ultrastructural and histological features of testis and vas deferens in P. parallelus parallelus were examined with using light microscope, scanning electron microscope, and transmission electron microscope. The mature P. parallelus parallelus has two conjugated testes produce spermatozoa. Each testis is composed of numerous testis follicles in which different stages of spermatogenesis and spermiogenesis develop. First, spermatocytes are formed by the mitosis division of the germ cells at the distal end of the follicles. Then, spermatocytes form spermatids by meiosis division in the middle region of the follicles. Finally, spermatids are differentiated to spermatozoa at the proximal region of the follicles. After maturation of the spermatozoa, sperm tails come together as the sperm bundles called as spermatodesm. Each follicle is connected to vas deferens via vas efferens to discharging spermatozoa. In spite of some differences, the testes and the vas deferens in P. parallelus parallelus are highly similar to the those of other species, especially Orthopteran species.

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Structure and function of seminal vesicles of Orthoptera Tettigonioidea

Cited by 27 publications

References 11 publications

Ultrastructural organization of the seminal vesicles of Baculum thaii (Phasmida, Phasmatidae) during sexual maturity

Ultrastructural organization of the seminal vesicles of Baculum thaii (Phasmida, Phasmatidae) during sexual maturity

Structural and ultrastructural characterization of male reproductive tracts and spermatozoa in fig wasps of the genus Pegoscapus (Hymenoptera, Chalcidoidea)

Histology and ultrastructure of the testis and vas deferens in Pseudochorthippus parallelus parallelus (Orthoptera, Acrididae)

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