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Effect of age and genetic group on characteristics of the scrotum, testes and testicular vascular cones, and on sperm production and semen quality in AI bulls in Brazil
(Elsevier B.V., 2002-10-01)
The objectives were to determine the effects of age and genetic group on characteristics of the scrotum, testes and testicular vascular cones (TVC), and on sperm production and semen quality in 107 Bos indicus, B, taurus ...
Perfil eletroforético, características estruturais e fertilidade in vitro do sêmen de touros Nelores submetidos à degeneração testicular por insulação
(Universidade Estadual Paulista (Unesp), 2005)
O presente estudo objetivou identificar o perfil eletroforético seminal, as características do espermograma e fertilidade in vitro, do sêmen de touros proveniente dos períodos pré e pós-indução do processo degenerativo ...
First evidence of the effects of agricultural activities on gonadal form and function in Rhinella fernandezae and Dendropsophus sanborni (Amphibia: Anura) from Entre Ríos Province, Argentina
(Firenze University Press, 2014-06)
The relationship between male gonadal abnormalities and habitats with different degrees of agricultural activities was quantified in two anuran species, Rhinella fernandezae and Dendropsophus sanborni. The study sites ...
Avaliação da atividade esteroidogênica testicular de derivados tiazolidinônicos potencialmente hipoglicemiantes
(Universidade Federal de Pernambuco, 2014)
Preliminary study on testicular germ cell isolation and transplantation in an endangered endemic species Brycon orbignyanus (Characiformes: Characidae)
(2019-01-01)
We aimed to develop a simplified protocol for transplantation of Brycon orbignyanus spermatogonial stem cells (SSCs) into Astyanax altiparanae testes. Brycon orbignyanus testes were enzymatically digested and SSC purified ...
Caracterización sociodemográfica y clínica del cáncer de testículo
(Riobamba, Universidad Nacional de Chimborazo, 2021)
Aislamiento y enriquecimiento in vitro de células madre espermatogoniales de alpaca (Vicugna pacos) y caracterización de co-cultivos con células de Sertoli
(Universidad Nacional Mayor de San MarcosPE, 2021)
Establece un protocolo de enriquecimiento de las
células madre espermatogoniales (SSC) mediante gradientes discontinuas de Percoll y
desarrollar co-cultivos con células de Sertoli que permita el cultivo continuo de ...
Cytosolic glucocorticoid receptor in the testis of Bufo arenarum: Seasonal changes in its binding parameters
(Elsevier Inc, 2006-07)
Glucocorticoids (GC) are the hormonal mediators of stress. In mammals, high levels of GC have negative eVects on reproductive physiology. For instance, GC can inhibit testicular testosterone synthesis by acting via ...
Alterações celulares e moleculares induzidas pelo choque térmico em espermatozoides bovinos
(Universidade Estadual Paulista (Unesp), 2017-02-24)
A função do espermatozoide pode ser comprometida por condições ambientais adversas. Estudos já demonstraram que a exposição in vivo e in vitro de espermatozoides bovinos a temperatura elevada induz a morte celular, reduz ...