Ovum
hideAn ovum (plural ova, from the Latin word ovum meaning egg or egg cell) is a haploid female reproductive cell or gamete. Both animals and embryophytes have ova. The term ovule is used for the young ovum of an animal, as well as the plant structure that carries the female gametophyte and egg cell and develops into a seed after fertilization. In lower plants and algae, the ovum is also often called oosphere.
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News tagged with egg cell
Researchers improve zebrafish cloning methods
Aug 30, 2009 |
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A team of Michigan State University researchers has developed a new, more efficient way of cloning zebra fish, a breakthrough that could have implications for human health research.
Mutation causing one type of male infertility found
Jul 21, 2009 |
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(PhysOrg.com) -- A genetic mutation that lies behind one type of male infertility has been discovered by researchers at Oxford University, Ghent University in Belgium, and the University of Massachusetts, ...
Research sheds light on cause of Down syndrome and other genetic disorders
Jul 20, 2009 |
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Scientists have a better understanding of what causes an abnormal number of chromosomes in offspring, a condition called aneuploidy that encompasses the most common genetic disorders in humans, such as Down syndrome, and ...
At Long Last, How Plants Make Eggs
Jun 04, 2009 |
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(PhysOrg.com) -- A long-standing mystery surrounding a fundamental process in plant biology has been solved by a team of scientists at the University of California, Davis.
New study yields clue to how stem cells form
Apr 16, 2009 |
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An Emory University study shows some of the first direct evidence of a process required for epigenetic reprogramming between generations - a finding that could shed more light on the mechanisms of fertilization, ...
