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      ASPECTOS HISTOLÓGICOS DO APARELHO REPRODUTOR FEMININO E MORFOMETRIA DOS OVÁRIOS DE TROPIDACRIS COLLARIS (STOLL, 1813) (ORTHOPTERA: ROMALEIDAE) SUBMETIDO A TRÊS FOTOPERÍODOS Translated title: HISTOLOGICAL ASPECTS OF THE FEMALE REPRODUCTIVE SYSTEM AND MORPHOMETRY OF THE OVARIES OF TROPIDACRIS COLLARIS (STOLL, 1813) (ORTHOPTERA: ROMALEIDAE) SUBMITED TO THREE PHOTOPERIODS

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          Abstract

          RESUMO A pesquisa teve o objetivo de descrever a histologia dos ovários, ovidutos laterais, oviduto comum e espermateca, e realizar a morfometria dos ovários de Tropidacris collaris (Stoll, 1813) (Orthoptera: Romaleidae), submetido aos fotoperíodos de 10L:14E, 12L:12E e 14L:10E. Para morfometria utilizou-se uma lupa binocular adaptada com uma ocular milimétrica, sendo registrado o comprimento e as larguras dos ovários. Posteriormente, os ovaríolos foram separados e contados. Para análise histológica, os órgãos foram fixados em Boüin alcoólico, incluídos em “paraplast” e corados pela H.E., tricrômico de Mallory e P.A.S (Ácido Periódico de Schiff). Os resultados mostraram que não houve influência dos fotoperíodos sobre a morfometria dos ovários, número de ovaríolos e histologia dos órgãos. Foram encontrados ovários préreprodutivos e reprodutivos. As médias do número de ovaríolos foram de 195,62, 202,62 e 208,25 para os fotoperíodos de 10L:14E, 12L:12E e 14L:10E, respectivamente, sendo mais numerosos no ovário esquerdo. Cada ovaríolo apresentou morfologia tubular com regiões bem distintas (filamento terminal, germário e vitelário). O oviduto lateral é revestido internamente por tecido epitelial simples cúbico com numerosas dobras, apoiado no tecido conjuntivo e externamente por uma camada de tecido muscular estriado. O oviduto comum apresenta a mesma constituição histológica do oviduto lateral, exceto pela presença de epitélio com íntima cuticular e uma camada muscular bem desenvolvida. A espermateca é constituída por tecido epitelial pseudo-estratificado colunar com íntima cuticular e tecido muscular estriado associado a tecido conjuntivo.

          Translated abstract

          ABSTRACT The research aimed to study the histology of ovaries, lateral oviducts, common oviducts and spermatheca, and morphometry of the ovaries of Tropidacris collaris (Stoll, 1813) (Orthoptera: Romaleidae), reared under the photoperiods 10:14, 12:12 and 14:10 (L:D). Morphometry was conducted using a binocular magnifying glass adapted with a milimetric ocular, being registered the length and the width of the ovaries. Subsequently the ovarioles were separated and counted. For the histological analysis, the organs were fixated in alcoholic Boüin, included in “paraplast” and stained by H.E., Mallory’s trichromic and P.A.S. Photoperiods studied did not influence the morphometry of the ovaries, number of ovarioles and the histology of the organs. The averages of the ovarioles number were of 195,62, 202,62 and 208,25 for the fotoperíodos of 10L:14D, 12L:12D and 14L:10D, respectively, being more numerous in the left-side ovary. Each ovarioles presented tubular morphology with distinct regions (terminal filament, germarium and vitellarium). The lateral oviducts are internally covered by simple cubic epithelial tissue with numerous folds, sustained on the connective tissue and, externally, by a striated muscular tissue layer. The common oviduct presents the same histological constitution of the lateral oviduct, except by the presence of the epithelium with cuticular intima and a well developed muscular layer. The spermatheca is constituted by columnar pseudo-stratified epithelial tissue with cuticular intima and striated muscular tissue associated to connective tissue.

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          Most cited references40

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          PHYSIOLOGICAL CLASSIFICATION OF DORMANCIES IN INSECTS

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                Author and article information

                Journal
                aib
                Arquivos do Instituto Biológico
                Arq. Inst. Biol.
                Instituto Biológico (São Paulo, SP, Brazil )
                0020-3653
                1808-1657
                July 2006
                : 73
                : 3
                : 343-348
                Affiliations
                [03] Recife Pernambuco orgnameUniversidade Federal Rural de Pernambuco orgdiv1Departamento de Morfologia e Fisiologia Animal orgdiv2Área de Histologia Brazil
                [01] Recife Pernambuco orgnameUniversidade Federal Rural de Pernambuco orgdiv1Departamento de Agronomia Brazil
                [02] Recife Pernambuco orgnameUniversidade Federal Rural de Pernambuco orgdiv1CPqAM-FIOCRUZ Brazil
                Article
                S1808-16572006000300343 S1808-1657(06)07300300343
                10.1590/1808-1657v73p3432006
                a192e30e-e1b3-41a4-8c55-7d78d23718ee

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 07 April 2006
                : 08 August 2006
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 40, Pages: 6
                Product

                SciELO Brazil

                Categories
                Artigo Científico

                Tropidacris collaris,histologia,aparelho reprodutor feminino,morfometria,histology,female reproductive system,morphometry

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