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Efeitos do tabagismo nos parâmetros seminais
(2002-05-01)
Objectives: We performed a study to evaluate the adverse effects of smoker patient on semen parameters. Material and Methods: We studied retrospective 238 semen specimen, 115 from men smoking and 123 from men nosmoking. ...
Idade masculina: Qualidade do sêmen e fertilidade: Idade masculina X qualidade seminal
(2012-09-10)
The man's age seems to affect reproductive function but to a lower degree compared with the woman's age. In fact, the effect of paternal age on semen quality has been discussed, but the results are contradictory. Considering ...
Nuclear changes and acrosome formation during spermiogenesis in Euchistus heros (Hemiptera : Pentatomidae)
(Churchill LivingstoneEdinburghEscócia, 2001)
Possible mechanism by which zinc protects the testicular function of rats exposed to cigarette smoke
(2012-12-01)
Background: The aim of this study was to evaluate the changes in testicular function of rats due to cigarette smoke exposure and the possible mechanism by which zinc protects against these alterations. Methods: MaleWistar ...
Morphology of the male reproductive system and spermiogenesis in Hypanthidium foveolatum (Alfken, 1930) (Hymenoptera : Apidae : Megachilinae)
(Elsevier, 2009)
The morphological aspects of male reproductive tract, spermiogenesis and spermatozoa are typical for each species and reflect its evolution, establishing a unique source of characters, which has been used to help solve ...