pone.0226558.g004.tif (2.61 MB)
Ultrastructural aspects of spermiogenesis of Diphylla ecaudata.
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posted on 2019-12-13, 23:03 authored by Soraia Fonseca Marinho da Silva, Carlos Henrique de Souza Silva, Fernanda Carolina Ribeiro Dias, Eugenia Cordero-Schmidt, Juan Carlos Vargas-Mena, Ingrid Gracielle Martins da Silva, Sônia Nair Báo, Thaís Gomes de Carvalho, Raimundo Fernandes de Araújo Júnior, Carlos Eduardo Bezerra de Moura, Fabiana Cristina Silveira Alves de Melo, Sérgio Luis Pinto da Matta, Danielle Barbosa Moraisa: round spermatid without acrosomal cap, at stage 5 of seminiferous epithelium cycle; b-d: spermatid elongation with different degrees of nuclear association of the acrosomal cap; e: elongated spermatids with complete formation of the acrosome cap; f: transverse sections of the flagellum. *: nucleoli; White arrow: acrosome; M: mitochondria; FS: fibrous sheath; AF: axial filament; MT: microtubule. Scale bars: a: 2 μm, b: 0.5 μm, c: 1 μm, d: 0.2 μm, e: 0.5 μm, f: 0.2 μm, detail: 0.2 μm.
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Sertoli cellsLajes citypost-meiotic phaseshematophagous bat Diphylla ecaudata Diphylla ecaudataaromatase enzymesupport germ cellstesticular morphologyAndrogen receptorsmammal32.20 msperm production ratesbat speciesLeydig cell cytoplasmimmunohistochemical analysesFGF 2body weightBCL -2 activitiesseminiferous epithelium cyclefood preferencebird bloodgonadosomatic indexRio GrandeSertoli cell nucleiseminiferous tubuleshematophagous batspermatogenesiTesticular characterizationtesticular patternecaudata reproduction24.64 g
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