洋葱表皮细胞临时装片的制作过程如下:
材料准备:载玻片一个,盖玻片一个,纱布若干,镊子一把,吸水纸一片,洋葱鳞片叶若干,清水少许,稀碘液少许,刀片一个。
1、用洁净的纱布把载玻片和盖玻片擦拭干净。
![](https://iknow-pic.cdn.bcebos.com/dcc451da81cb39db0d835fcec2160924aa1830e2?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://iknow-pic.cdn.bcebos.com/b7fd5266d016092414669a83c60735fae7cd34e2?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、在载玻片的中央滴一滴清水。
![](https://iknow-pic.cdn.bcebos.com/aa18972bd40735fa25b376218c510fb30e2408e2?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、用刀片在洋葱鳞片叶内侧轻轻地刮几个小方格。
![](https://iknow-pic.cdn.bcebos.com/9f510fb30f2442a7104dc53dc343ad4bd01302e2?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、用镊子在洋葱鳞片叶的内侧撕取一小块内表皮。
![](https://iknow-pic.cdn.bcebos.com/ac4bd11373f082028ad1a9a759fbfbedaa641be2?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、将撕取的一小块洋葱鳞片叶内表皮,在载玻片上的清水中展平。
![](https://iknow-pic.cdn.bcebos.com/83025aafa40f4bfb2893a6cc114f78f0f63618e2?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://iknow-pic.cdn.bcebos.com/faedab64034f78f02048a26b6b310a55b2191ce2?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、用镊子夹起盖玻片,使它的一边先接触载玻片上的水滴,然后缓缓地盖在水滴上。注意避免盖玻片下面出现气泡。
![](https://iknow-pic.cdn.bcebos.com/78310a55b319ebc46a3b4e019026cffc1f1716e2?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
7、在盖玻片的一侧滴加稀碘液。
![](https://iknow-pic.cdn.bcebos.com/4b90f603738da977d16cbeb3a251f8198718e3e3?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
8、用吸水纸从盖玻片的另一侧吸引,使染液浸润标本的全部即可。
![](https://iknow-pic.cdn.bcebos.com/f9198618367adab4a59323db99d4b31c8601e4e3?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)