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新鄉市求精教學儀器有限公司

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2023-10-10

生物切片的制作步驟
  生物切片是教學使用的一種標本,通過切片能夠讓我們有一個直觀的觀察效果,通過切片來了解生物結構和特征,教學使用的生物切片通常是相對簡單一些的標本?! ∩锴衅谥谱鞯臅r候就是從生物體上橫向或是縱向的截取一部分的而制成的玻片標本,一般分為臨時切片和長期性切片兩種?! ∩锴衅谥谱鞯臅r候比較的復雜,看起來也比較的麻煩,但是只要我們認真細心,手動做出來還是比較容易的,生物切片中的擦就是要把載玻片(承載生物體切片的玻璃片)擦干凈;  滴就是在載玻片上滴上清水或生理鹽水,一般是植物材料滴清水,動物材料滴生理鹽水,因為植物材料有細胞壁(細胞壁遇到鹽水會縮水);  取就是切取生物體的薄片,在切取薄片時要保持生物體薄片的均勻和盡量的薄;展就是把生物體薄片在清水或生理鹽水中展開;  蓋就是在載玻片上面蓋上蓋玻片,蓋蓋玻片時要注意一定不能有氣泡,要盡量一次性蓋好;  染就是把生物體薄片染上顏色,染色時要把染液滴在蓋玻片的一側接下來就是吸了,吸就是拿吸水紙在蓋玻片的另一側把染液吸進生物體薄片里面,把里面的細胞組織染色,以利于觀察。

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