Structure and Formation of the Chorion in Parnassius glacialis (Lepidoptera, Papilionidae)

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概要

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• Morphology and morphogenesis of the chorion of Parnassius glacialis were described. Architecture and thickness of the chorion vary remarkably in different regions. A single micropylar opening leads into 3 canals penetrating the chorion and the vitelline membrane. Aeropyles are seen at the junction of 3 ridges of the chorion. The chorion is composed of 3 layers : an inner, a middle and an outer layer. The middle layer is distinguished as two sublayers and made up of 8 or 9 lamellae. The lamellar structure is thought to be due to serial production of secretions by the follicle cells. The micropylar apparatus is formed by 3 types of the micropyle-forming cells.

• 日本昆虫学会の論文
• 1990-09-25

著者

• Tanaka Masahiro

  Gifu Aiwaka High School

関連論文

• Structure and Formation of the Chorion in Parnassius glacialis (Lepidoptera, Papilionidae)
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