. Biological time. Life (Biology); Time; Wounds and injuries; Tissue culture; Biological Clocks; Biology; Philosophy, Medical; Wounds and Injuries. TISSUE-CULTURE IN VITRO 121 at the beginning and at the end of life and much more rapid during youth. Consequently, there are two kinds of time. One corre- sponding to the classical notion, the sideral, physical time, without beginning and without end, flowing in a continuous, uniform, rigid fashion. The other, the physiological time, the duration of our organism, which begins and ends with us, and which does not affect identically in our youth and


. Biological time. Life (Biology); Time; Wounds and injuries; Tissue culture; Biological Clocks; Biology; Philosophy, Medical; Wounds and Injuries. TISSUE-CULTURE IN VITRO 121 at the beginning and at the end of life and much more rapid during youth. Consequently, there are two kinds of time. One corre- sponding to the classical notion, the sideral, physical time, without beginning and without end, flowing in a continuous, uniform, rigid fashion. The other, the physiological time, the duration of our organism, which begins and ends with us, and which does not affect identically in our youth and our old age the phenomena of which we are the seat. It is a time which remembers. It is no longer the impersonal, rigorous time measured by the rotation of the earth, the immutable and arithmetical time in which the universe evolves. Its flow seems to be submitted to periodical fluctuations. It rebounds with each germ: a living time. But, on the whole, what is time? Is it not absurd to say that it flows? Can we measure physiological time with the same units as the other, the time of inert things? Are they really diflferentiable? We will now try to study these questions Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lecomte du Noüy, Pierre, 1883-1947. New York, The Macmillan company


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Keywords: ., bookcentury1900, booksubjectbiolog, booksubjectphilosophymedical