. The mechanistic conception of life; biological essays. Life; Biology. Fig. 48. Fig. 49 Fig. 50 Figs. 48-50.—Disintegration of the sea-urchin egg after the membrane for- mation with butyric acid or with foreign serum or with the extract of sperm or of foreign ceUs; if the eggs are not treated after the membrane formation with a hypertonic solution or a suppression of oxidations. A indicates the area where the disintegration begins. modification of its surface, which in many cases leads to the formation of a membrane. If we cause membrane formation in an unfertilized sea-urchin egg by artifici
. The mechanistic conception of life; biological essays. Life; Biology. Fig. 48. Fig. 49 Fig. 50 Figs. 48-50.—Disintegration of the sea-urchin egg after the membrane for- mation with butyric acid or with foreign serum or with the extract of sperm or of foreign ceUs; if the eggs are not treated after the membrane formation with a hypertonic solution or a suppression of oxidations. A indicates the area where the disintegration begins. modification of its surface, which in many cases leads to the formation of a membrane. If we cause membrane formation in an unfertilized sea-urchin egg by artificial means, it begins to develop, but very soon perishes; much more rapidly than if it is not exposed to any treatment. I was able to show that. 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 Loeb, Jacques, 1859-1924. Chicago, University of Chicago Press
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