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dc.contributor.author
Gramajo Bühler, María Cecilia
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dc.contributor.author
Pucci, F. J.
dc.contributor.author
Seisdedos de Sánchez Toranzo, Graciela del Valle
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dc.date.available
2018-06-11T20:25:02Z
dc.date.issued
2015-07
dc.identifier.citation
Gramajo Bühler, María Cecilia; Pucci, F. J.; Seisdedos de Sánchez Toranzo, Graciela del Valle; Histological and morphometric study of the epididymus of Chinchilla lanigera Grey under controlled conditions in captivity; Cambridge University Press; Zygote; 24; 3; 7-2015; 355-363
dc.identifier.issn
0967-1994
dc.identifier.uri
http://hdl.handle.net/11336/48160
dc.description.abstract
Chinchilla lanigera, native to the Andean Mountains of Perú, Chile, Bolivia and Argentina, is a specimen of great economic importance because of its fur. In mammals, spermatozoa originated in testes are transported to the epididymis, where they undergo morphological and biochemical modifications known as sperm maturation, a basic step in the acquisition of the fertilizing ability. The aim of this work is the macroscopic and microscopic analysis of the epididymis of Chinchilla lanigera gray and its sectorization based on a histomorphological study. The epididymis presents a clear segmentation into 4 regions: initial segment, caput, corpus and cauda. The epithelium lining the seminiferous tubules is pseudostratified, with principal cells with stereocilia and basal, clear, apical, narrow and halo cells. The histological analysis showed that principal and basal cells are the prevailing populations in all regions, also revealing narrow cells and the absence of clear cells in the initial segment. Each segment presents its different histological and morphometric characteristics, which supports the idea of the specific behavior of each region, giving a segment-specific character to the process of sperm maturation in this species. No significant differences were found in the morphometric measurements or in the histological evaluation of the epididymis of samples collected in April and October. The fact that no differences were found between the samples collected during two periods when the reproductive ability in nature is different suggests the importance of external factors in the control of the reproductive cycle of Chinchilla lanigera.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Cambridge University Press
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Chinchilla Lanigera
dc.subject
Epidydimis
dc.subject
Morphometric
dc.subject
Histologic
dc.subject
Captivity
dc.subject
Sperm
dc.subject.classification
Otras Ciencias Biológicas
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Histological and morphometric study of the epididymus of Chinchilla lanigera Grey under controlled conditions in captivity
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-05-04T21:43:52Z
dc.journal.volume
24
dc.journal.number
3
dc.journal.pagination
355-363
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Cambridge
dc.description.fil
Fil: Gramajo Bühler, María Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnol.conicet - Tucuman. Instituto Superior de Investigaciones Biológicas. Departamento de Biología del Desarrollo | Universidad Nacional de Tucuman. Instituto Superior de Investigaciones Biológicas. Departamento de Biología del Desarrollo; Argentina
dc.description.fil
Fil: Pucci, F. J.. Fundación Miguel Lillo; Argentina
dc.description.fil
Fil: Seisdedos de Sánchez Toranzo, Graciela del Valle. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia; Argentina
dc.journal.title
Zygote
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1017/S096719941500026X
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.cambridge.org/core/journals/zygote/article/histological-and-morphometric-study-of-the-epididymus-of-chinchilla-lanigera-grey-under-controlled-conditions-in-captivity/DF9A4AC34BEB593BA8F936971B2A6110
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