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蜘蛛蟹(Libinia emarginata L.)卵黄发生的超微结构观察

Ultrastructural observations of vitellogenesis in the spider crab, Libinia emarginata L.

作者信息

Hinsch G W, Cone M V

出版信息

J Cell Biol. 1969 Feb;40(2):336-42. doi: 10.1083/jcb.40.2.336.

Abstract

Ovaries from the spider crab, Libinia emarginata L. were studied to learn more of vitellogenesis in crustaceans. Oogonia and previtellogenic oocytes were found in the core of the ovaries. Vitellogenic oocytes are located more peripherally. Profiles of the endoplasmic reticulum are abundant in the vitellogenic oocytes. The granular and agranular reticulum as well as the Golgi complex are active in yolk synthesis. As vitellogenesis proceeds, yolk precursors are incorporated into the egg by micropinocytosis at the egg surface. Thus, in Libinia, yolk materials appear to be derived from both intra- and extraoocytic sources.

摘要

对蜘蛛蟹(Libinia emarginata L.)的卵巢进行了研究,以更多地了解甲壳类动物的卵黄发生过程。在卵巢核心部位发现了卵原细胞和卵黄发生前的卵母细胞。卵黄发生的卵母细胞位于更外围的位置。内质网的轮廓在卵黄发生的卵母细胞中丰富存在。颗粒型和无颗粒型内质网以及高尔基体在卵黄合成中活跃。随着卵黄发生的进行,卵黄前体通过卵表面的微胞饮作用被纳入卵中。因此,在蜘蛛蟹中,卵黄物质似乎来自卵内和卵外来源。

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