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.
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.
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.
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.
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.
应用推荐