Organism as a wholePutnam, 1916 - 379 pages |
From inside the book
Results 1-5 of 23
Page 76
... NaCl ) . Several drops of such sperm and one drop of eggs were in one series of experiments put into 2.5 c.c. of a neutral mix- ture of m / 2 NaCl and 3/8 m MgCl , in the proportion in which these two salts exist in the sea water . In ...
... NaCl ) . Several drops of such sperm and one drop of eggs were in one series of experiments put into 2.5 c.c. of a neutral mix- ture of m / 2 NaCl and 3/8 m MgCl , in the proportion in which these two salts exist in the sea water . In ...
Page 77
... NaCl + MgCl2 + CaCl , ( in the proportion in which these salts exist in the sea water ) or into a neutral mixture of NaCl + MgCl2 + KCl + CaCl ,. In such neutral mix- tures the eggs form fertilization membranes and begin to segment ...
... NaCl + MgCl2 + CaCl , ( in the proportion in which these salts exist in the sea water ) or into a neutral mixture of NaCl + MgCl2 + KCl + CaCl ,. In such neutral mix- tures the eggs form fertilization membranes and begin to segment ...
Page 80
... be fertilized , while the eggs of the sea urchins were mature . The testicles Lillie , F. R. , Jour . Exper . Zoöl . , 1914 , xvi . , 523 . and ovaries had been kept in NaCl and all the 80 Specificity in Fertilization.
... be fertilized , while the eggs of the sea urchins were mature . The testicles Lillie , F. R. , Jour . Exper . Zoöl . , 1914 , xvi . , 523 . and ovaries had been kept in NaCl and all the 80 Specificity in Fertilization.
Page 81
Jacques Loeb. and ovaries had been kept in NaCl and all the sperm was immotile . Eggs and sperm were mixed together in a pure m / 2 NaCl solution where the sperm was only rendered motile by the proximity of eggs . The following table ...
Jacques Loeb. and ovaries had been kept in NaCl and all the sperm was immotile . Eggs and sperm were mixed together in a pure m / 2 NaCl solution where the sperm was only rendered motile by the proximity of eggs . The following table ...
Page 82
... NaCl solution and second that it requires a stronger influence to activate the spermatozoa of the starfish , which are not motile at first even in sea water , than the sea urchin spermatozoa which are from the first very active in such ...
... NaCl solution and second that it requires a stronger influence to activate the spermatozoa of the starfish , which are not motile at first even in sea water , than the sea urchin spermatozoa which are from the first very active in such ...
Other editions - View all
Common terms and phrases
agglutination animals annelids Arbacia Arch artificial membrane artificial parthenogenesis assumption bacteria Biol blastomeres blood body butyric acid cell division chapter characters chemical chromosome concentration contained cortical layer cytolysis definite determined digestion disintegration Driesch effect egg of purpuratus embryo enter the egg Entwcklngsmech enzyme existence experiments eyes f. d. ges fact female fertilized fish foreign species franciscanus frog Fundulus genus give rise graft groups grow growth heliotropic hemoglobin heredity hermaphroditic hybrids hypertonic solution idea induce Jour lack of oxygen large number larvæ latter light Lillie lipoids living matter Loeb male Mendelian heredity normal sea water nucleus observed ovaries oxidations parthenogenesis permeability phenomena phenomenon physicochemical Physiol pigment plants polyp positively heliotropic possible produced proteins protoplasm pure reaction regeneration result rôle salts sea urchin sea water sea-urchin egg segment serum shown sperm spermatozoön spermatozoön enters starfish Strongylocentrotus substances synthesis theory tion tissue transplanted unfertilized egg Wasteneys X chromosome