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Abstract:

The testicular organization and semicystic spermatogenesis of Scorpaena porcus and Scorpaena scrofa are analyzed by means of optic and electron microscopy and immunohistochemical techniques. The testicular structure of S. porcus and S. scrofa belongs to the unrestricted spermatogonial type, but has typical features of the restricted type. Moreover, the structure presents an epithelioid arrangement of Sertoli and germ cells rather than the germinal epithelium that appears in the majority of teleosts. After the cysts open, Sertoli cells hypertrophy and remain on the basement membrane, linked by interdigitations and tight junctions and bordering the lumen of the lobule, which at this moment works as an efferent duct. Secretions of Sertoli cells usually function in the nutrition of germ cells, and they seem to contribute in it even in this kind of spermatogenesis in which the free lumen spermatids do not have any connection with Sertoli cells. In addition, Sertoli cells can divide after the cysts have broken apart and hypertrophied, suggesting that they are still important for the final maturation of spermatozoa and seminal fluid formation. © 2009 Wiley-Liss, Inc.

Registro:

Documento: Artículo
Título:A light and electron microscopic study on the organization of the testis and the semicystic spermatogenesis of the genus scorpaena (Teleostei, Scorpaenidae)
Autor:Sàbat, M.; Lo nostro, F.; Casadevall, M.; Muñoz, M.
Filiación:Área de Biologia Animal, Dpt. de Ciències Ambientals, Universitat de Girona, Campus de Montilivi s/n, 17071 Girona, Spain
Lab. de Embriología Animal, Depto. de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
Palabras clave:Scorpaena; Semicystic spermatogenesis; Sertoli cell; Testicular structure; Scorpaena; Scorpaena porcus; Scorpaena scrofa; Scorpaenidae; Sus scrofa; Teleostei; cycline; animal; article; cell nucleus; cytology; electron microscopy; histology; immunohistochemistry; male; metabolism; Perciformes; physiology; Sertoli cell; spermatogenesis; testis; ultrastructure; Animals; Cell Nucleus; Immunohistochemistry; Male; Microscopy, Electron; Perciformes; Proliferating Cell Nuclear Antigen; Sertoli Cells; Spermatogenesis; Testis
Año:2009
Volumen:270
Número:6
Página de inicio:662
Página de fin:672
DOI: http://dx.doi.org/10.1002/jmor.10707
Título revista:Journal of Morphology
Título revista abreviado:J. Morphol.
ISSN:03622525
CODEN:JOMOA
CAS:Proliferating Cell Nuclear Antigen
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03622525_v270_n6_p662_Sabat

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Citas:

---------- APA ----------
Sàbat, M., Lo nostro, F., Casadevall, M. & Muñoz, M. (2009) . A light and electron microscopic study on the organization of the testis and the semicystic spermatogenesis of the genus scorpaena (Teleostei, Scorpaenidae). Journal of Morphology, 270(6), 662-672.
http://dx.doi.org/10.1002/jmor.10707
---------- CHICAGO ----------
Sàbat, M., Lo nostro, F., Casadevall, M., Muñoz, M. "A light and electron microscopic study on the organization of the testis and the semicystic spermatogenesis of the genus scorpaena (Teleostei, Scorpaenidae)" . Journal of Morphology 270, no. 6 (2009) : 662-672.
http://dx.doi.org/10.1002/jmor.10707
---------- MLA ----------
Sàbat, M., Lo nostro, F., Casadevall, M., Muñoz, M. "A light and electron microscopic study on the organization of the testis and the semicystic spermatogenesis of the genus scorpaena (Teleostei, Scorpaenidae)" . Journal of Morphology, vol. 270, no. 6, 2009, pp. 662-672.
http://dx.doi.org/10.1002/jmor.10707
---------- VANCOUVER ----------
Sàbat, M., Lo nostro, F., Casadevall, M., Muñoz, M. A light and electron microscopic study on the organization of the testis and the semicystic spermatogenesis of the genus scorpaena (Teleostei, Scorpaenidae). J. Morphol. 2009;270(6):662-672.
http://dx.doi.org/10.1002/jmor.10707