Topic: Gastrula
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What is gastrula?
An embryo in the cell reorganization stage of development. Read More »
Source: http://wiki.answers.com/Q/What+is+the+process+of+a+gastrula
What is gastrula and neurula?
A gastrula is an embryo in the cell organization of development, when the three germ layers form. This is called gastrulation, and the three layers are the endoderm, mesoderm, and ectoderm. A neurula is an embryo at the stage of development... Read More »
Source: http://wiki.answers.com/Q/What_is_gastrula_and_neurula
What are the three germ layers of a gastrula?
From inner to outer, the germ cell layers are the endoderm, mesoderm, and ectoderm. Each of the three layers develops into a different part of the embryo: the endoderm into the respiratory, auditory, and digestive system; the mesoderm into ... Read More »
Source: http://wiki.answers.com/Q/What_are_the_three_germ_layers_of_a_gas...
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Gastrula
[gas-troo-luh](n.) Metazoan embryo in an early state of germ layer formation following the blastula stage, consisting of a cuplike body of two layers of cells, the ectoderm and endoderm, enclosing a central cavity, or archenteron, that opens to the outside by the blastopore
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Gastrula is an embryo at the stage following the blastula, consisting of a hollow, two-layered sac of ec...
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Source: http://www.chacha.com/topic/ectoderm/what-is-gastrula-&-blastula
From my research I think the vegetal plate of the blastula ingresses upon the blastocoel region, to form a blastopore, which will eventually be the anus of the sea urchin.
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Source: http://wiki.answers.com/Q/What_happens_to_the_blastula_to_form_th...
Gastrula (n) the embryo in the stage following the blastula or blastocyst; the simplest type ...
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Source: http://www.chacha.com/question/what-does-gastrula-mean
The opening into the gastrula is known as the blastopore. The inner cavity created by...
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Source: http://www.chacha.com/question/what-is-the-opening-of-the-gastrul...
The layers of gastrula are known as tthe ectoderm and the inner lay... ...MORE...
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(găs'trə-lə) n. , pl. , -las , or -lae ( -lē' ). An embryo at the stage following the blastula, consisting of a hollow, two-layered sac of ectoderm and endoderm surrounding an archenteron that communicates with the exterior through the blas...
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