游走细胞在珍珠囊的早期发育阶段十分活跃。
Wandering cells are more active during the early developmental stage of the pearl sac.
二直接用外套膜组织块在珠核上形成珍珠囊。方法一所产生的珍珠囊未培育出珍珠 ;
The pearl sacs were also cultured in another way of emigrating the pieces of mantle tissue to a nuclear.
珍珠囊细胞的分泌活动具有节律性和区段性的特点,这种区段性和节律性的分泌与珍珠多层结晶纤层的形成相适应。
The secretion of the pearl sac cells is rhythmic, which is adaptive for the formation of the multiple crystalline layers of the pearl.
组成霰石晶层的单元晶为长3-5微米、宽2-3微米和厚0.2-0.5微米的不规则多边形板块。板块的大小由珍珠囊上皮细胞的表面积决定。
A single tablet is irregular polygon in shape which is 3-5 um long, 2-3um wide and 0.2-0.5um thick, the size is determined by the epithelial cells of the pearl sac.
进一步研究揭示,酒精缓冲液即能使长丝变得像一条珍珠链,再飘散开又变为一群囊泡。
Further work has revealed that simple alcohol buffers can cause each filament to form what looks like a string of pearls that then floats free, forming a new generation.
进一步研究揭示,酒精缓冲液即能使长丝变得像一条珍珠链,再飘散开又变为一群囊泡。
Further work has revealed that simple alcohol buffers can cause each filament to form what looks like a string of pearls that then floats free, forming a new generation.
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