Development Lab Terms - Development Lab Terms Archenteron -...

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Development Lab Terms Archenteron - The central cavity of the gastrula, which ultimately becomes the intestinal or digestive cavity. Blastocoel – The fluid-filled, central cavity of a blastula. Blastoderm – The layer of cells that develops on the surface of the yolk in an avian or reptilian egg and gives rise to the germinal disk from which the embryo develops. Blastopore – The opening of the archenteron. Blastomere – Any cell resulting from the cleavage of a fertilized ovum during early embryonic development. Blastula – An early embryonic form produced by cleavage of a fertilized ovum and consisting of a sphereical layer of cells surrounding a fluid-filled cavity. Cleavage – The series of mitotic cell divisions that produces a blastula. Holoblastic Cleavage – total or entire cleavage in the fertilized egg. Meroblastic Cleavage – partial cleavage of the egg. Coelom – the cavity formed by the splitting of the embryonic mesoderm into two layers. Differentiation
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Development Lab Terms - Development Lab Terms Archenteron -...

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