Gametogenesis in Rhinella bergi (Anura : Bufonidae) : morphological and morphometric analysis

This study aims to characterize the gonads, folliculogenesis, and spermatogenesis processes of male and female Rhinella bergi through anatomical, histological and morphometric analysis. We worked with specimens previously collected in the spring and summerseasons(2014–2015), in which the gonads w...

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Autores principales: Cheij, Esteban Omar, Olea, Gabriela Beatriz, Rodríguez, Florencia Evelyn, Céspedez, Jorge Abel, Flores Quintana, Carolina Isabel
Formato: Artículo
Lenguaje:Inglés
Publicado: Wiley‑Blackwell 2026
Materias:
Anurans
Folliculogenesis
Reproduction
Spermatogenesis
Acceso en línea:http://repositorio.unne.edu.ar/handle/123456789/60108
Aporte de:
RIUNNE - Repositorio Institucional de la Universidad Nacional del Nordeste (UNNE) de Universidad Nacional del Nordeste
id I48-R184-123456789-60108
record_format dspace
spelling I48-R184-123456789-601082026-03-06T14:33:18Z Gametogenesis in Rhinella bergi (Anura : Bufonidae) : morphological and morphometric analysis Cheij, Esteban Omar Olea, Gabriela Beatriz Rodríguez, Florencia Evelyn Céspedez, Jorge Abel Flores Quintana, Carolina Isabel Anurans Folliculogenesis Reproduction Spermatogenesis This study aims to characterize the gonads, folliculogenesis, and spermatogenesis processes of male and female Rhinella bergi through anatomical, histological and morphometric analysis. We worked with specimens previously collected in the spring and summerseasons(2014–2015), in which the gonads were studied based on morphological, histological and morphometric analysis. The reproductive system was analyzed using a stereoscopic microscope and a scanning electron microscope (SEM). Histological preparations were made following the conventional protocol of dehydration, inclusion in paraffin and stained with haematoxylineosin, Mallory trichrome and PAS histochemical reactions. The anatomical and morphometric characteristics and the gametogenesis in R. bergi agree with what was proposed for other analyzed species of the Bufonidae family. Females with ovaries with oocytes in different stages of maturity and postovulatory females were found. The males presented continuous spermatogenesis. The results of this work serve as a basis for the characterization of the reproductive cycle in R. bergi and, at the same time, provide background information on the analysis of gametogenic activity. Future investigations will be focused on evaluating the reproductive cycle in this species, both in ovaries and testes as well as Bidder's organ, to compare and correlate with the results obtained in this study. 2026-03-06T14:33:13Z 2026-03-06T14:33:13Z 2023 Artículo Cheij, Esteban Omar, et al., 2023. Gametogenesis in Rhinella bergi (Anura: Bufonidae): morphological and morphometric analysis. Acta Zoologica. Oxford: Wiley‑Blackwell, vol. 105, no. 3, p. 317-330. E-ISSN 1463-6395. DOI https://doi.org/10.1111/azo.12470 http://repositorio.unne.edu.ar/handle/123456789/60108 eng https://doi.org/10.1111/azo.12470 openAccess http://creativecommons.org/licenses/by-nc-nd/2.5/ar/ application/pdf p. 317-330 application/pdf Wiley‑Blackwell Acta Zoológica, 2023, vol. 105, no. 3, p. 317-330.
institution Universidad Nacional del Nordeste
institution_str I-48
repository_str R-184
collection RIUNNE - Repositorio Institucional de la Universidad Nacional del Nordeste (UNNE)
language Inglés
topic Anurans
Folliculogenesis
Reproduction
Spermatogenesis
spellingShingle Anurans
Folliculogenesis
Reproduction
Spermatogenesis
Cheij, Esteban Omar
Olea, Gabriela Beatriz
Rodríguez, Florencia Evelyn
Céspedez, Jorge Abel
Flores Quintana, Carolina Isabel
Gametogenesis in Rhinella bergi (Anura : Bufonidae) : morphological and morphometric analysis
topic_facet Anurans
Folliculogenesis
Reproduction
Spermatogenesis
description This study aims to characterize the gonads, folliculogenesis, and spermatogenesis processes of male and female Rhinella bergi through anatomical, histological and morphometric analysis. We worked with specimens previously collected in the spring and summerseasons(2014–2015), in which the gonads were studied based on morphological, histological and morphometric analysis. The reproductive system was analyzed using a stereoscopic microscope and a scanning electron microscope (SEM). Histological preparations were made following the conventional protocol of dehydration, inclusion in paraffin and stained with haematoxylineosin, Mallory trichrome and PAS histochemical reactions. The anatomical and morphometric characteristics and the gametogenesis in R. bergi agree with what was proposed for other analyzed species of the Bufonidae family. Females with ovaries with oocytes in different stages of maturity and postovulatory females were found. The males presented continuous spermatogenesis. The results of this work serve as a basis for the characterization of the reproductive cycle in R. bergi and, at the same time, provide background information on the analysis of gametogenic activity. Future investigations will be focused on evaluating the reproductive cycle in this species, both in ovaries and testes as well as Bidder's organ, to compare and correlate with the results obtained in this study.
format Artículo
author Cheij, Esteban Omar
Olea, Gabriela Beatriz
Rodríguez, Florencia Evelyn
Céspedez, Jorge Abel
Flores Quintana, Carolina Isabel
author_facet Cheij, Esteban Omar
Olea, Gabriela Beatriz
Rodríguez, Florencia Evelyn
Céspedez, Jorge Abel
Flores Quintana, Carolina Isabel
author_sort Cheij, Esteban Omar
title Gametogenesis in Rhinella bergi (Anura : Bufonidae) : morphological and morphometric analysis
title_short Gametogenesis in Rhinella bergi (Anura : Bufonidae) : morphological and morphometric analysis
title_full Gametogenesis in Rhinella bergi (Anura : Bufonidae) : morphological and morphometric analysis
title_fullStr Gametogenesis in Rhinella bergi (Anura : Bufonidae) : morphological and morphometric analysis
title_full_unstemmed Gametogenesis in Rhinella bergi (Anura : Bufonidae) : morphological and morphometric analysis
title_sort gametogenesis in rhinella bergi (anura : bufonidae) : morphological and morphometric analysis
publisher Wiley‑Blackwell
publishDate 2026
url http://repositorio.unne.edu.ar/handle/123456789/60108
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AT rodriguezflorenciaevelyn gametogenesisinrhinellabergianurabufonidaemorphologicalandmorphometricanalysis
AT cespedezjorgeabel gametogenesisinrhinellabergianurabufonidaemorphologicalandmorphometricanalysis
AT floresquintanacarolinaisabel gametogenesisinrhinellabergianurabufonidaemorphologicalandmorphometricanalysis
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