The blastodisc, also called the germinal disc, is the embryo-forming part on the yolk of the egg of an animal that undergoes discoidal meroblastic cleavage. Discoidal cleavage occurs in those animals with a large proportion of yolk in their eggs, and include insects, fish, reptiles and birds. The blastodisc is a small disc of cytoplasm that sits on top of the yolk. In birds it is a small, circular, white spot (approximately 1.5-3 mm across) on the surface of the yellow yolk of an egg, at the animal pole.
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rdfs:label
| - Blastodisc (en)
- Бластодиск (ru)
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rdfs:comment
| - The blastodisc, also called the germinal disc, is the embryo-forming part on the yolk of the egg of an animal that undergoes discoidal meroblastic cleavage. Discoidal cleavage occurs in those animals with a large proportion of yolk in their eggs, and include insects, fish, reptiles and birds. The blastodisc is a small disc of cytoplasm that sits on top of the yolk. In birds it is a small, circular, white spot (approximately 1.5-3 mm across) on the surface of the yellow yolk of an egg, at the animal pole. (en)
- Бластоди́ск (зародышевый диск; зародышевый щиток; от греч. blastós — «зародыш, росток» и diskos — «диск») — скопление цитоплазмы на анимальном полюсе яйца у животных с дискоидальным дроблением. В процессе дробления бластодиск преобразуется в дисковидное скопление клеток — бластодерму, которая образует крышу дискобластулы. (ru)
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| - The blastodisc, also called the germinal disc, is the embryo-forming part on the yolk of the egg of an animal that undergoes discoidal meroblastic cleavage. Discoidal cleavage occurs in those animals with a large proportion of yolk in their eggs, and include insects, fish, reptiles and birds. The blastodisc is a small disc of cytoplasm that sits on top of the yolk. In birds it is a small, circular, white spot (approximately 1.5-3 mm across) on the surface of the yellow yolk of an egg, at the animal pole. (en)
- Бластоди́ск (зародышевый диск; зародышевый щиток; от греч. blastós — «зародыш, росток» и diskos — «диск») — скопление цитоплазмы на анимальном полюсе яйца у животных с дискоидальным дроблением. В процессе дробления бластодиск преобразуется в дисковидное скопление клеток — бластодерму, которая образует крышу дискобластулы. (ru)
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