Abstract This article sets out to explore different roles that the mention of zoophytes can play into some texts Plato, Aristotle and byzantine commentators. Thus, staging life marine lung in Philebus represents a possible horizon regression be kept mind, not, as John Philopon, stage man's formation will necessarily surpassed. For latter, for Aristotle, evoking is way resolving question frontie...

The five commentators who responded to our article, ‘Gamete donor anonymity and limits on numbers of offspring: the views of three stakeholders’,1 raised several of the same issues; they also expressed some quite different concerns. We thank the readers for these varied and thoughtful readings. In our brief response, we outline our major findings. We then respond first to the shared points and ...

The financial ties between doctors and drug companies have come under intense scrutiny in recent years. Some commentators--such as Marcia Angell, former editor-in-chief of the New England Journal of Medicine--argue that the mission of doctors is fundamentally different to the mission of drug companies and that the ties between them should be completely cut. "Drug companies are investor owned bu...

The primary spermatocytes of Drosophila virilis have been shown to undergo an approximate 300-fold increase in volume and to possess an abundance of ribo somes in the cytoplasm (Ito 1960). These ribosomes are probably involved in the biosynthesis of the various materials needed for this tremendous volumetric increase. Olivieri and Olivieri (1965) have demonstrated that RNA synthesis occurs in s...

the biological, biochemical and immunological It has been proved lately that lysosomes are conditions that prepare the organic susceptibility involved in the mechanism of morphologic which facilitates or impairs the growth of changes, catabolic disorders , autolytic pro­ M. leprae. This paper is a partial attempt to cesses, necrosis , and infections and inflammatory unveil the pathogenic mechan...