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三种食蚊鱼胚胎未分化性腺原基中体细胞组织的性别分化

Sex differentiation of somatic tissue in the unsexualised gonad primordia of the embryos of three species of poeciliid fish.

作者信息

Kramer C R, Kallman K D

出版信息

J Anat. 1985 Mar;140 ( Pt 2)(Pt 2):269-77.

PMID:4077690
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC1165165/
Abstract

The structure of the gonad primordia is described in the embryos of three species of poeciliid fish. Prior to the sexualisation of the germ cells, a dimorphism exists based upon the gonadal somatic features. This serves as a basis for distinguishing between male and female specimens. Presumptive males are characterised by the presence in at least one of their gonad primordia of a conspicuous stalk whereas in presumptive females, a stalk is completely lacking.

摘要

描述了三种食蚊鱼科鱼类胚胎中性腺原基的结构。在生殖细胞性分化之前，基于性腺体细胞特征存在二态性。这为区分雄性和雌性标本提供了依据。推测为雄性的特征是其性腺原基中至少有一个存在明显的柄，而推测为雌性的则完全没有柄。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5236/1165165/76b3dec18424/janat00194-0090-f.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5236/1165165/3b13ad0cb474/janat00194-0090-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5236/1165165/ab62f3a5b4e2/janat00194-0090-b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5236/1165165/0b852322a1cf/janat00194-0090-c.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5236/1165165/25f42390c7a9/janat00194-0090-d.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5236/1165165/4d6d3ea40605/janat00194-0090-e.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5236/1165165/76b3dec18424/janat00194-0090-f.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5236/1165165/3b13ad0cb474/janat00194-0090-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5236/1165165/ab62f3a5b4e2/janat00194-0090-b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5236/1165165/0b852322a1cf/janat00194-0090-c.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5236/1165165/25f42390c7a9/janat00194-0090-d.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5236/1165165/4d6d3ea40605/janat00194-0090-e.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5236/1165165/76b3dec18424/janat00194-0090-f.jpg

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