查看完整版本: [分享]来自实验室的色彩（一）--带你进入微观世界

候鸟 2005-3-31 11:07

[分享]来自实验室的色彩（一）--带你进入微观世界

<b>实验室对大多数人来说，是陌生的、甚至有些神秘色彩，而对于长期从事研究、分析的人来说，又觉得甚是枯燥无味的~<br>
o$k K,]B 其实，换一种角度去欣赏-里面确实有<table glow width=255><tr><td style="filter:glow(color=#A047DB, strength=2)">“色彩”</td></tr></table glow>，不信，就跟我进来吧--</b><br>
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候鸟 2005-3-31 11:14

re:[B]一、植物类组织：[/B]淀...

<b>一、植物类组织：</b><br>s(gtA#u v9o`jF
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淀粉在高倍显微镜下的模样：<br>UZ7l.|!G z0K
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Lq1Jr/gp0v&J*Z <IMG onmouseover="javascript:if(this.width>520)this.width=520;" style="CURSOR: hand" onclick=javascript:window.open(this.src); src="leadbbsfile/upload/2005/03/31/110907.jpg" onload="javascript:if(this.width>520)this.width=520;" align=absmiddle border=0><br>
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,LRRCn Tn%L 一个小水泡在高倍显微镜下的模样：<br>/R9gC]:LNRe$?
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g"?4a VS'}D n/Y 石细胞团（比如：在梨果肉里很容易吃到的那种硬硬的小粒状的东西就是石细胞团）：<br>
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候鸟 2005-3-31 12:20

re:[img]../images/fil...

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维管束组织-主要由纤维及导管组成，主要起输送、支撑连结的作用（有点类似动物的骨骼），一般分布在植物的枝梗（茎）、根茎、根及叶脉；我们平时吃甘蔗、蔬菜等所见到的那些纤维状的东西，其实就是维管束：<br>/}X)e$T? aOv
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导管：<br>7Z?zK,WJ4J
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草酸钙结晶：一般多含于植物的茎、、根茎、块根及叶、花，并不是所有的植物都含有草酸钙结晶，这正好成为鉴别特征之一（下图是草酸钙针晶束在高倍显微镜下的样子）：<br>
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候鸟 2005-3-31 12:35

re:[B]微生物类：[/B]培养基-...

<b>微生物类：</b><br>;k GuPr8f
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培养基--一般生测试验都是用“细菌培养皿”加上特定的营养及基质（比如琼脂），然后在实验室的无菌条件下，把需要检测的载体（如药品、食品提取液或者生物组织切片等）涂抹在培养基上，在特定的条件下进行培养，然后再进行菌落计数、或进一步鉴定，下面这张就是一个培养后的培养基-上面可以看到菌落生长状况：<br> co'j)|8M
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这就是培养基上的菌落（低倍显微镜下）：<br>
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候鸟 2005-3-31 12:40

re:高倍镜下（细菌）：[img].....

高倍镜下（细菌）：<br>$vW ~.}$e*p.Q Uj
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河水里的浮游微生物：<br>
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高倍镜下的某种细菌：<br>
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(BO c$I^U 立体显微镜下的螨虫：<br>
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候鸟 2005-3-31 12:43

re:[B]动物类：[/B]淋巴细胞：...

<b>动物类：</b><br>
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淋巴细胞：<br>|5\Ub:~T@
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组织切片一：<br>
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组织切片二：<br>
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黑猫 2005-3-31 16:29

re:后面两张，感觉不是很爽。怕怕的说

后面两张，感觉不是很爽。怕怕的说

黑猫 2005-3-31 17:36

re:呵呵，一看起组织切片就想到自身来，这个坏...

呵呵，一看起组织切片就想到自身来，这个坏习惯现在还是改变不了。佩服那些当医生的人。

阿原 2005-4-4 09:56

re:有“食欲”也没法吃啊，那么点大，还不够塞...

有“食欲”也没法吃啊，那么点大，还不够塞牙缝呢，好象还有个跳蚤吧：）
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