The mechanistic conception of life : biological essays (1912)
Loeb, Jacques, 1859-1924 · Chicago, Ill. : University of Chicago Press · leaf 170
e egg. The analysis of the causation of development of the eggby a spermatozoon has shown that the latter acts by carryingat least two substances or groups of substances into the egg. Prevention of Death by Fertilization 159 The first of these substances causes the formation of a mem-brane; the…
