性冷淡
发表于 2025-3-26 22:53:17
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增强
发表于 2025-3-27 04:11:26
,Laurent Chabry (1855–1893) and the “Age d’or” of biology,heoretical biology, he considered it the “âge d’or de la biologie” (Bataillon 1953, p. 384). He himself, the discoverer of traumatic parthenogenesis in the frog (1910) and an expert in the theory of fertilization, had made a substantial contribution to the image of biology in those years, owing to h
adduction
发表于 2025-3-27 06:27:12
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generic
发表于 2025-3-27 13:04:19
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Mobile
发表于 2025-3-27 14:37:54
Shaking a concept: Hans Driesch and the varied fates of sea urchin blastomeres,river, as the only child of a wealthy Hamburg merchant, he grew up in the liberal atmosphere of that hanseatic city (Driesch 1951). Gifted with the self-confidence that results from a strong mind backed by seemingly unlimited financial means, and driven by a brillant intellect formally trained at th
障碍
发表于 2025-3-27 19:31:06
,Hans Driesch the critical mechanist: “Analytische Theorie der organischen Entwicklung”, credo that life —and particularly ontogenesis — depends on some immaterial vital force and thus cannot be fully understood in terms of physics and chemistry; that indeed it defies any materialist approach (the topic of the next Essay). What is rarely mentioned are his early theoretical writings on
乞讨
发表于 2025-3-28 00:59:09
,Hans Driesch’s “philosophy really ab ovo”, or why to be a vitalist,s and ., with unheard-of treasures sprung from his creative imagination waiting to be acknowledged and admired by posterity. Instead, he lived on happily for nearly half a century. Yet the fates asked a price for this: he was to ruin his reputation — that is, among those professing the mechanistical
高深莫测
发表于 2025-3-28 06:02:17
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吞没
发表于 2025-3-28 06:40:52
Theodor Boveri on cytoplasmic organization in the sea urchin egg,lems that were already clearly in his view during his first researches. What is the egg, and what does it contain? How are hereditary traits represented in the egg and determined during its development? What is the background from which they emerge into view, one after another, as development goes f
Fecundity
发表于 2025-3-28 13:09:27
,Aneuploidy disrupts embryogenesis: Theodor Boveri’s analysis of sea urchin dispermy, term would be meaningless if all chromosomes were functionally equivalent, and consequently no such term existed at the time when Boveri demonstrated the so-called individuality of chromosomes for the first time, by analysing dispermy in sea urchins. It is his exploitation of this “experiment of Na