. Chemical embryology. Embryology. 738 THE RESPIRATION AND [pT. m The general impression left by the work of Sandiford & Wheeler and of the other investigators mentioned is that the metabolic rate of the human embryo does not change much during pre-natal life. 3*30- 2'40- 2»10 Calories 1»50- •90- 0 A •60- 0 V •30- a. = Magnus-Levy = Benedict and Collaborators = Murlin 5? »? = Palmer-Means-Gamble = Sage Institute L ! \ 10 Years 15 Fig. 165. 20 28 But it must be remembered that they could not take account of the embryo until the 4th month, owing to its minute weight com
. Chemical embryology. Embryology. 738 THE RESPIRATION AND [pT. m The general impression left by the work of Sandiford & Wheeler and of the other investigators mentioned is that the metabolic rate of the human embryo does not change much during pre-natal life. 3*30- 2'40- 2»10 Calories 1»50- •90- 0 A •60- 0 V •30- a. = Magnus-Levy = Benedict and Collaborators = Murlin 5? »? = Palmer-Means-Gamble = Sage Institute L ! \ 10 Years 15 Fig. 165. 20 28 But it must be remembered that they could not take account of the embryo until the 4th month, owing to its minute weight compared to that of the mother. On the whole, however, the measurements of heat-production during pregnancy are very difficult to interpret from the point of view of the present 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 Needham, Joseph, 1900-. New York: The MacMillan Co.
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