Cleavage Stage, Ovum

Known as: Ovum Segmentation Stages, Ovum Cleavage Stage, Segmentation Stage, Ovum 
The earliest developmental stage of a fertilized ovum (ZYGOTE) during which there are several mitotic divisions within the ZONA PELLUCIDA. Each… (More)
National Institutes of Health

Papers overview

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Highly Cited
2009
Highly Cited
2009
CONTEXT A significant proportion of the first-degree female relatives of women with polycystic ovary syndrome (PCOS) may be at… (More)
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Highly Cited
2005
Highly Cited
2005
Agrobacterium-mediated transformation of indica rice has been manipulated in only a limited number of cultivars because the… (More)
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Highly Cited
2003
Highly Cited
2003
A highly efficient somatic embryo production and maturation procedure has been developed to regenerate plantlets from cotton… (More)
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Highly Cited
2000
Highly Cited
2000
Biochemical assessment of gonadal function during maturation in girls and in adult women can be troublesome. With the recent… (More)
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Highly Cited
1997
Highly Cited
1997
A rapid Agrobacterium tumefaciens-mediated transformation system for wheat was developed using freshly isolated immature embryos… (More)
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Highly Cited
1994
Highly Cited
1994
Serum levels of insulin-like growth factor-I (IGF-I) increase with age and pubertal development. The large variation in… (More)
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Highly Cited
1993
Highly Cited
1993
Immature embryos and embryogenic calli of rice, both japonica and indica subspecies, were bombarded with tungsten particles… (More)
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Highly Cited
1992
Highly Cited
1992
The amount of skeletal mass acquired during adolescence is one of the most important determinants for the risk of postmenopausal… (More)
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Highly Cited
1992
Highly Cited
1992
In this paper, we describe the transformation of regenerable maize tissues by electroporation. In many maize lines, immature… (More)
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Highly Cited
1980
Highly Cited
1980
Nineteen children (8 girls, 11 boys) were evaluated in a total of 47 three-day sessions across three summers. Children were… (More)
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