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Blastula


The blastula, meaning "sprout") is an early stage of embryonic development in animals. It is also called blastosphere. It is produced by cleavage of a fertilized ovum and consists of a spherical layer of around 128 cells with a large fluid filled space called the blastocoel in the animal pole of the embryo. The blastula follows the morula and precedes the...
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blastula n. , pl. -las or -lae ( ). An early embryonic form produced by cleavage of a fertilized ovum and consisting of a spherical layer of cells
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blastula The usually spherical body produced by cleavage of a fertilized ovum, consisting of a single layer of cells (blastoderm) surrounding a
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Blastula - Definition of Blastula at Dictionary.com a free online dictionary ... The cells of the blastula form an epithelial (covering) layer, called the ...
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We use the term blastula to refer to the period when the blastodisc begins to ... Detailed description of Blastula stages. Return to Developmental Stages Contents ...
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The blastula is a hollow ball of cells organized into an epithelial monolayer. Midway through the blastula stage, the embryo secretes hatching enzyme, which ...
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Information about blastula in the free online English dictionary and encyclopedia. ... blastocyst, blastodermic vessicle - the blastula of a placental mammal in which ...
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Definition of blastula from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.
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Blastula summary with 2 pages of encyclopedia entries, essays, summaries, research information, and more. ... A blastula is an early embryo that has been ...
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blastula ... Blastula - Wikipedia, the free encyclopedia ... blastula /blas·tu·la/ (blas'tu-lah) pl. ...
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Day 5: Solid morula develops into hollow, fluid-filled blastula ... 4. What is the diference between a morula, a blastula, and a grastrula? ...
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blastula – Encyclopedia.com has blastula articles, blastula pictures, video and information at Encyclopedia.com - a FREE online library ... blastula ...
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What is blastula? Meaning of blastula medical term. What does blastula mean? ... blastula /blas·tu·la/ (blas'tu-lah) pl. ... blastula ...
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Definition and other additional information on Blastula from Biology-Online.org dictionary. ... zygote, blastula, morula, gastrula, embryo gametogenesis fertilization ...
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Zoology information, history, articles and research from Academic Journals, Newspapers, and magazines at HighBeam.com. Free Trial, Credit Card Required.
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blastula is often used to help study the processes of mitosis in animal cells. The blastula is prevented from multiplying during the nuclear-injection stage. ...
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... a hollow ball of thousands of cells called the blastula. ... Not until the blastula contains some 4,000 cells is there any transcription of zygote genes. ...
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