Structure of the Micropyle in Eggs of Nasonia vitripennis

descriptionPublicationkeyboard_double_arrow_right Article 01 Aug 1962 English Publisher:Springer Science and Business Media LLCJournal:Nature, volume 195, pages 829-830 (issn: 0028-0836, eissn: 1476-4687,

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Authors: PHILIP E. KING;

doi: 10.1038/195829a0

Structure of the Micropyle in Eggs of Nasonia vitripennis

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Abstract

IN insects a micropyle is formed at the anterior pole of the egg and often has a very complicated structure. Sometimes it is a single pore or it may consist of numerous canals grouped together. The formation of the micropyle is due to a number of follicle cells or nurse cells having protoplasmic prolongations towards the egg, around which the chorion is secreted1. Snodgrass2 pointed out that although a micropylar area is present in the egg of Apis mellifera no actual pores have been demonstrated. There is no published work on the structure of the micropyle in chalcids.

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