Lense and holder for object English Replica of a microscope made by Antonie van Leeuwenhoek. German Nachbau eines Mikroskops von Antonie van Leeuwenhoek
(Imágenes del sitio Lens on Leeuwenhoek por Douglas Anderson).
http://commons.wikimedia.org/wiki/File:Leeuwenhoek_Microscope.png
http://commons.wikimedia
org/wiki/Image:Antoni_van_Leeuwenhoek.png, License: Public Domain)
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Figure 3: Drawing of microscopes owned by Antoine van Leeuwenhoek. Bacteria were discovered
Histológico.
https://commons.wikimedia.org/wiki/File:Proceso_histol%C3%B3gico.png
Fijar un tejido es preservar sus características morfológicas y moleculares