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STRUCTURE OF THE BOTTLE CELLS IN CYNOPS ORIENTALIS GASTRULATION AND THEIR EFFECT OF REMOVAL ON EMBRYONIC DEVELOPMENT

STRUCTURE OF THE BOTTLE CELLS IN CYNOPS ORIENTALIS GASTRULATION AND THEIR EFFECT OF REMOVAL ON EMBRYONIC DEVELOPMENT

东方蝾螈原肠形成期瓶状细胞的结构及其对胚胎发育的影响