Gregório E A, Secco V N, Toledo L A, Lello E
Instituto de Biociências, UNESP, SP, Brasil.
Mem Inst Oswaldo Cruz. 1990 Jul-Sep;85(3):315-20. doi: 10.1590/s0074-02761990000300008.
Ovaries up to the 8th day pupae of Dermatobia hominis were studied by transmission electron microscopy. Ovarioles were recognized in ovaries of 4-day old pre-pupae, surrounded by a thin tunica propria of acellular fibrillar material similar in structure to the internal portion of the external tunica of the ovary. There is continuity of the tunica propria and the ovarian tunica, indicating that the former structure originates from the tunica externa. In 5 to 7-day pupae the interstitial somatic cells from the apical region of the ovary, close to the ovarioles, show delicate filamentous material inside of their rough endoplasmic reticulum cisternae; similar material is seem among these cells. Our observations suggest that interstitial somatic cells do not originate the tunica propria but contribute to its final composition.
利用透射电子显微镜对人皮蝇直至化蛹第8天的卵巢进行了研究。在4日龄预蛹的卵巢中可识别出卵巢小管,其周围有一层薄的无细胞纤维状物质固有膜,结构与卵巢外膜的内部部分相似。固有膜与卵巢膜连续,表明前者结构起源于外膜。在5至7日龄的蛹中,卵巢顶端区域靠近卵巢小管的间质体细胞,其粗面内质网池内可见纤细的丝状物质;在这些细胞之间也可见类似物质。我们的观察表明,间质体细胞并非固有膜的起源,但对其最终组成有贡献。