The sentinel behaviour of Arabian babbler floaters
نویسندگان
چکیده
منابع مشابه
The sentinel behaviour of Arabian babbler floaters
The sentinel behaviour of 38 Arabian babbler adult floaters, who lived alone within a territory belonging to a foreign group, was studied and compared with their own sentinel behaviour in the past, when they were group members. All floaters acted as sentinels and uttered 'alarm calls'. This suggests that sentinel activity is due at least, in part, to selfish motives. Floaters sentinelled less t...
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c t h P p t a o m a i N 1976, DR ERNST WYNDER, FOUNDING PRESIDENT OF THE American Health Foundation and founding editor of the journal Preventive Medicine, stated that “It should be the function of medicine to help people die young . . . as late in life as possible.” However, medicine in general, and phthalmology in specific, are disease-oriented disciplines. In he former case, this is due to t...
متن کامل[Vitrectomy for floaters].
PURPOSE To clarify vitrectomy indications in the treatment of vitreous floaters. METHODS This is a retrospective study of four patients, four eyes (age, 42-65 years), who underwent vitrectomy for the treatment of vitreous floaters. Two patients had a total posterior vitreous detachment. All patients were required to think about the intervention for several months before consenting. RESULTS ...
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PURPOSE To assess the risks of vitrectomy for the removal of primary and secondary vitreous opacities. DESIGN Retrospective, nonrandomized, interventional case series. METHODS We reviewed the results of 116 consecutive cases of vitrectomy for vitreous floaters. Eighty-six cases were primary and 30 cases were secondary floaters. Main outcome measures were the incidence of iatrogenic retinal ...
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cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
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ژورنال
عنوان ژورنال: Royal Society Open Science
سال: 2017
ISSN: 2054-5703
DOI: 10.1098/rsos.160738