. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 0 -600 X 900 Figure 6. Observed data interpreted according to the model of Ix. I, and I, plotted under oocyte outlines for (A) Oocyte # 1; (B) Oocyte #2 ment or caused by experimental manipulations may be interpreted with greater insight. Thus, a better under- standing of the physiology of the oocyte should be pos- sible. Acknowledgments We are grateful to Dr. L. Jaffe and the staff of the NVPF, especially A. Shipley and S. Dixon. This work was supported in part by NSF grant #DCB-851781 Literature Cited Betz, VV. J., and J.


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 0 -600 X 900 Figure 6. Observed data interpreted according to the model of Ix. I, and I, plotted under oocyte outlines for (A) Oocyte # 1; (B) Oocyte #2 ment or caused by experimental manipulations may be interpreted with greater insight. Thus, a better under- standing of the physiology of the oocyte should be pos- sible. Acknowledgments We are grateful to Dr. L. Jaffe and the staff of the NVPF, especially A. Shipley and S. Dixon. This work was supported in part by NSF grant #DCB-851781 Literature Cited Betz, VV. J., and J. H. Caldwt-ll. 1984. Mapping electrical currents around skeletal muscle wi .h ••. ihrating probe. J Gen. Phvsiol. 83: 143-156. Freeman, J. A., P. B. Manis, G. J. Snipes, B. N. Mayes, P. C. Samson, J. P. Wikswo, and D. B. Freeman. 1985. Steady growth cone cur- rents revealed by a novel circularly vibrating probe. / Neitrosci. Res 13:257-283. Jaffe, L. F. 1985. Extracellular current measurements with a vibrat- ing probe. TINS-December 1985 8: 517-521. Jaffe, L. F. 1986. Ventral activation process in insect oocytes. Nature 321: 386. Jaffe, L. F., K. Robinson, and B. F. Picologlou. 1974. A uniform cur- rent model of the endogenous current in an egg. / Tlieor. Biol. 45: 593-595. kunkel, J. G. 1973. Gonadotrophic effect of juvenile hormone in Blattella germanica: a rapid, simple quantitative bioassay. / Insect Physiol. 19: 1285-1297. Kunkel, J. G. 1986. Dorsoventral currents are associated with vitello- genesis in cockroach ovarioles. Pp. 165-172 in Ion Currents in De- velopment. R. Nucitelli, ed. Alan R. Liss, NY. kunkel, J. G., R. Koenig, H. kindle, and B. Lanzrein. 1986. Ion Flux during vitellogenesis and patterning of insect oocytes. Adv. Invert. Reprod 4: 101-108. Purcell, E. M. 1985. Electricity and Magnetism. Berkeley Physics Course, Vol. 2, 2nd edition. 484 pp. McGraw-Hill, Please note that these images are extracted from scanned page images that may have been digital


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