Successive observations on the fertilization of a centric diatomMelosira moniliformis var.octagona |
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| Authors: | Masahiko Idei Mitsuo Chihara |
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| Affiliation: | (1) Bunkyo University Women's College, Namegaya 1100, Chigasaki-shi, 253 Kanagawa, Japan;(2) The Japanese Red Cross College of Nursing, Hirō, Shibuya-ku, 150 Tokyo, Japan |
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| Abstract: | The details of fertilization in the centric diatom,Melosira moniliformis var.octagona, were examined by light microscopy with a video system. The sperm penetrated into the egg cell through a temporary opening of the oogonium. The flagellum of the sperm was brought into the egg cell and it remained active for a few minutes. Three observations on the behavior of the sperm and egg cell during fertilization are shown. |
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| Keywords: | Centric diatom Fertilization Melosira Sexual reproduction Sperm |
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