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micropyle

An external encapsulating structure part of the chorion. A single cone-shaped specialization that forms an opening in the chorion that allows sperm… 
National Institutes of Health

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Related topics

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Broader (1)

Chorion (cell component)

Papers overview

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Highly Cited
2006
Highly Cited
2006
Maternal Gametophytic baseless1 Is Required for Development of the Central Cell and Early Endosperm Patterning in Maize (Zea mays)
In angiosperms, double fertilization of an egg cell and a central cell with two sperm cells results in the formation of a seed… 
2001
2001
Evidence of a neural loop involved in controlling spermathecal contractions in Locusta migratoria.
1989
1989
Ultrastructural changes in micropylar cells and formation of the micropyle during oogenesis in the medaka Oryzias latipes
Ultrastructural changes in differentiating micropylar cells and in the micropyle occur during oogenesis in the medaka, Oryzias… 
1988
1988
Polarized site of sperm entrance in the egg of a freshwater bivalve, Unio elongatulus.
1988
1988
Concanavalin A binding sites on the surface of Drosophila melanogaster sperm: a fluorescence and ultrastructural study.
1985
1985
Fine structure of the micropylar cell and its change during oocyte maturation in the chum salmon, Oncorhynchus keta
In the ovarian follicle, the micropylar cell (MPC) is distinguished from neighboring granulosa cells by its larger cell size and… 
1985
1985
Fine structure of the egg shells of Habrophlebia fusca (curtis) and h. consiglioi Biancheri (Ephemeroptera : Leptophlebiidae)☆
Highly Cited
1980
Highly Cited
1980
The silkmoth chorion: morphological and biochemical characterization of four surface regions.
1966
1966
Electron microscopy of Plasmodium falciparum . 1. The structure of trophozoites in erythrocytes of human volunteers.
Highly Cited
1961
Highly Cited
1961
Electron microsope studies of motile stages of malaria parasites. II. The fine structure of the sporozoite of Laverania (Plasmodium) falcipara.
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