In submicroscope , respiratory cell is flat , there are microvillus on it s surface , and lots of chondriosome in the cytoplasm and some gdgi 10 complex distribute near the nuclear . the other cell organ has not been found 电镜下呼吸细胞扁平，表面有微绒毛，胞质中分布有一定数量的线粒体，在核旁分布有高尔基复合体，其它细胞器则少见。
2.
Secretic granules in b cell are fairly big , cores are various . there is fairly big gap between the core and the limiting membrane ; the center of secretic granules in a cell exist compact core and there is no gap between the core and the limiting membrane ; secretic granules in d cell are too much , electron density of granules is lower , and there is no gap between the core and the limiting membrane , what ' s more , fairly big chondriosome can be seen in the cell B细胞的分泌颗王晓丽尼罗罗非鱼胰岛显微和亚显微结构的研究13粒较大，芯的形态多样，电子密度差异大，芯与界膜之间常有较大的空隙； a细胞分泌颗粒形态不规则，芯的大小不等，界膜与芯之间无空隙； d细胞分泌颗粒较多，芯的电子密度较低，界膜与芯之间无空隙，此外，胞质内可见较大的线粒体。
