. The biology of the cell surface. Cytology. THE FERTILIZATION-PROCESS Within three minutes after the addition of a drop of active spermatozoa to the eggs, remarkable changes take place in each Q^g to which a spermatozoon has become attached: a jelly flows out of the ectoplasm; the dull slightly turbid ectoplasm in the unfertilized egg gives way to a shining space crossed by strands. These changes can best be observed under the microscope by adding spermatozoa to eggs in sea-water which contains fine particles of Chinese ink. The two photographs appended show living eggs before and after insem
. The biology of the cell surface. Cytology. THE FERTILIZATION-PROCESS Within three minutes after the addition of a drop of active spermatozoa to the eggs, remarkable changes take place in each Q^g to which a spermatozoon has become attached: a jelly flows out of the ectoplasm; the dull slightly turbid ectoplasm in the unfertilized egg gives way to a shining space crossed by strands. These changes can best be observed under the microscope by adding spermatozoa to eggs in sea-water which contains fine particles of Chinese ink. The two photographs appended show living eggs before and after insemination (Fig. 22).. 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 Just, Ernest Everett, 1883-1941. Philadelphia, P. Blakiston's son & co. , inc
Size: 2281px × 1096px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity
