斑点蛙(rana luteiventris和rana pretiosa)卵的结构:物理描述和历史观点

Northwestern Naturalist Pub Date : 2021-03-09 DOI:10.1898/1051-1733-102.1.1

C. Rombough, J. Bowerman

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引用次数: 1

摘要

已发表的报道描述了斑点蛙(Rana luteiventris和Rana pretiosa)的卵有1或2个果冻膜包围卵。据报道，鲁特文氏r.r uteiventris的卵通常有一个果冻包膜，而pretiosa的卵则有两个包膜。然而，我们发现，这两个物种的卵实际上都有3个果冻信封。在本文中，我们描述了这两个物种的卵，并确定了科学文献中差异的来源。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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THE STRUCTURE OF SPOTTED FROG (RANA LUTEIVENTRIS AND RANA PRETIOSA) EGGS: A PHYSICAL DESCRIPTION AND HISTORICAL PERSPECTIVE

Abstract Published accounts describe the eggs of spotted frogs (Rana luteiventris and Rana pretiosa) as having either 1 or 2 jelly envelopes surrounding the ovum. Eggs of R. luteiventris are typically reported to have a single jelly envelope, whereas those of R. pretiosa are reported to have 2 envelopes. We found, however, that both species' eggs actually have 3 jelly envelopes. In this paper we describe the eggs of both species, and identify the origin of the discrepancy in the scientific literature.

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Northwestern Naturalist

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