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KMID : 0364219960390040419
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Korean Journal of Zoology
1996 Volume.39 No. 4 p.419 ~ p.425
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Adhesive Membranes of Egg in Five Cobitid Species of Iksookimia (Pisces: Cobitidae)
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Park Jong-Young
Kim Ik-Soo
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Abstract
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The five spedes of genus Iksookimia from Korea were investigated by electron microscopes to clarify the adhesive membranes on zona radiata. In the late vitellogenic stage the adhesive membranes could be classified into three form as follows: 1) villous form of Iksookimia koreensis, I pumila, and I. hugowolfeldi, 2) cotton-shaped form of I. longicorpus, and 3) vine-shaped form of I. choii. And although I. koreensis, I pumila, and I. hugowolfeldi possessed the same villous form, It was evident that fine structure of the zona radiata varied according to spedes. The adhesive membranes and fine structures of zona radiata in Iksookimla showed a species specificity related to closely their habitats and spawning properties.
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KEYWORD
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Adhesive Membranes, Zona Radiata, Iksookimia, Oocyte
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