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本研究用超声波照射大鼠睾丸及附睾10分钟(1瓦/厘米~2及1.75瓦/厘米~2,800千周连续波),电镜观察照射后1小时至5个月之间不同阶段附睾管上皮及小管周组织超微结构改变。超声波1瓦/厘米~2和1.75瓦/厘米~2所致超微结构损伤的基本变化相似,但后者的损伤一般较重。上皮的主细胞和小管周组织的平滑肌细胞对超声波敏感。照射后1～4小时主细胞和平滑肌细胞已出现明显的形态学改变。3～7天后主细胞和平滑肌细胞退变显著,并出现固有膜增厚及内凸。5个月后,主细胞和平滑肌细胞大多形态正常,但小管周组织厚度的增加及固有膜内凸仍然存在。主细胞的主要改变是微绒毛肿胀,高尔基复合体囊泡及内质网腔扩大,胞浆内及微绒毛区髓样结构增多。主细胞基部可出现许多大空泡导致与基膜的分离。平滑肌细胞也多出现胞浆大空泡。超声波导致的附睾超微结构改变在许多方面与微波所致的改变相似。
In this study, the testis and epididymis of rats were irradiated with ultrasound for 10 minutes (1w / cm ~ 2 and 1.75w / cm ~ 2,800kW continuous wave). The epididymal epithelium and Tubular tissue ultrastructure changes. Ultrasound 1 W / cm ~ 2 and 1.75 W / cm ~ 2 ultrastructural damage caused by similar changes in the basic, but the latter the damage is generally heavier. The epithelial major cells and perivascular tissue smooth muscle cells are ultrasonically sensitive. 1 to 4 hours after irradiation, the main cells and smooth muscle cells have obvious morphological changes. 3 to 7 days after major degeneration of the main cells and smooth muscle cells, and the intrinsic membrane thickening and convex. After 5 months, most of the main cells and smooth muscle cells were normal in shape, but the increase in the thickness of the peritubular tissue and the inherent convexity of the intrinsic membrane still existed. The main changes in the main cells are swollen microvilli, Golgi complex vesicles and endoplasmic reticulum cavity enlargement, intracytoplasmic and microvilli area myeloid structure increased. Many large vacuoles can appear at the base of the main cells leading to separation from the basement membrane. Smooth muscle cells also appear more cytoplasmic vacuoles. Ultrasound-induced changes in the ultrastructure of the epididymis are similar in many ways to those caused by microwaves.