. The beginnings of embryonic development : A symposium organized by the Section on Zoological Sciences of the American Association for the Advancement of Science, cosponsored by the American Society of Zoologists and the Association of Southeastern Biologists, and presented at the Atlanta meeting, December 27, 1955. Embryology. 136 MORPHOLOGY OF FERTILIZATION. 7 8 9 10 I? 12 13 Figs. 1-13. Spermatozoa of bivalve mollusc species to show morphologi- cal changes resulting from the acrosome reaction. (From Dan and Wada, Biol. Bull., 1955.) 1, Mijtiliis edulis spermatozoon in sea water. 2, Mytilti
. The beginnings of embryonic development : A symposium organized by the Section on Zoological Sciences of the American Association for the Advancement of Science, cosponsored by the American Society of Zoologists and the Association of Southeastern Biologists, and presented at the Atlanta meeting, December 27, 1955. Embryology. 136 MORPHOLOGY OF FERTILIZATION. 7 8 9 10 I? 12 13 Figs. 1-13. Spermatozoa of bivalve mollusc species to show morphologi- cal changes resulting from the acrosome reaction. (From Dan and Wada, Biol. Bull., 1955.) 1, Mijtiliis edulis spermatozoon in sea water. 2, Mytiltis spermatozoon after egg water treatment. 3, Mijtilus spermatozoon showing partial reaction. 4, Petricola japonica spermatozoon before reaction. 5, Re- acted Petricola spermatozoon in vicinity of egg. 6, Partially reacted Petricola spermatozoon. 7, Mactra sulcataria spermatozoon. 8, M. sulcataria super- numerary spermatozoon. 9, Mactra veneriformis spermatozoon. 10, M. veneriformis spermatozoon after egg water treatment. 11, Spondylus cruen- tus spermatozoon. 12, Spondylus spermatozoon reacted in egg water (side view). 13, Reacted Spondylus spermatozoon as found affixed to under side of 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 American Association for the Advancement of Science. Section on Zoological Sciences; Tyler, Albert, 1906-. Washington
Size: 1318px × 1896px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookpublisherwashington, booksubjectembryology
