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I tried to make a balloon rabbit and ended up with something more closely resembling a microscope. Here John demonstrates its proper use.
This microscope is equipped with a teaching arm, so that trainees can get an in-depth view of operating techniques, with a surgeon on hand to answer any questions during the process...
Nigeria
©Claire Louise Thomas/ORBIS
Although biological recording is a fun activity for all age groups, the information gathered is vital in itself - the wealth of biological data collected is used by scientists at CEH and other research institutes within their research projects.
Photo credit: Paulette Burns / Centre for Ecology & Hydrology
University of Washington Bioengineering graduate student Chris Sip takes a break while working in a lab at the UW Medical Center under the direction of Associate Professor of Bioengineering Albert Folch. Folch, a professor at the UW since 2000, specializes in BioMEMS and Microfluidics.
Una célula madre dividiéndose en el cerebro de un pez cebra antes de eclosionar. Empezando más o menos en la posición de las 8 en punto, esta célula madre se divide conforme nos movemos en el sentido horario, a través de los diferentes estadios para crear dos células diferentes: una célula nerviosa (en el exterior, pasando de violeta a blanco) y otra célula madre (en el interior, se mantiene violeta), que puede a su vez seguir dividiéndose. La secuencia requiere de 9 horas para que las dos células se separen.
Este tipo de división celular asimétrica asegura que ambas (neurona y célula madre) se creen, ya que ambas son necesarias para el crecimiento y desarrollo cerebral. Los embriones de pez cebra son transparentes, lo que es ideal para ver el proceso. La imagen corresponde a unos 250 micrómetros (0,25 mm) de ancho. Lo que vemos es la reconstrucción digital de una técnica de microscopÃa que utiliza luz láser para iluminar diferentes partes del objeto a analizar excluyendo las zonas que no nos interesan.
Paula Alexandre, University College London
I decided to instal this group of pictures as an aid to growers who may not be able to accurately identify reproductive parts in orchids
There will be others to follow as they are photographed.
These pictures were taken using my Nikon D200, full set of extension rings and a 4x microscope objective lens.
Multiple pictures were then and stacked in 'Zerene' to give a depth of field not available thru a microscope.
Prélevé dans un lac de montagne (alt 2200 m ). Aelosoma est un des représentants les plus primitifs des annélides oligochètes.
Une reproduction sexuée existe mais elle est fort rare. Le plus souvent, la reproduction est asexuée, par fission, l'animal se segmente en "bourgeons" appelés zoïdes, dans la partie postérieure (pygidium) de l'animal. Progressivement on voit se différencier un prostomum et le tube digestif se contracter. Ce processus est continu durant la vie et l'on peut voir se former dans un même individu des zoïdes successifs non détachés.
This is the stereo microscope I use for building surface mount PCB's and removing splinters. To take the pictures, I held the lens of the Nikon Coolpix-4500 up to one of the eyepieces. I really wish I had a trinocular head with an adapter for the DSLR.
11.6.2010, Microscope Night
Machine Project artist in residency at Hammer Museum.
Photo by Marianne Williams.