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Utrechyt, The Netherlands - June 12, 2011: A magnifying glass on the start page of Wikipedia. Wikipedia is a online free encyclopedia to which volunteers can add articles.
Diatoms, algae under microscopic view, phytoplankton, fossils, silica, golden yellow algae
The nematode Steinernema feltiae under the microscope, the species used as a biopesticide to infect fungus gnats in agriculture and gardening.
Cheyletiella blakei Mite - Small Cat pest view under a microscope
Notoedres cati under the microscope. Notoedric mange, also referred to as Feline scabies, is a highly contagious skin infestation caused by an ectoparasitic and skin burrowing mite Notoedres cati.
Photomicrograph of Volvox globator, a green algae. Dark green spots are daughter colonies forming inside of parent colony. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.
In vitro bacterial culture
Symbolic illustration of infectious viruses under the microscope, for example influenza viruses, smallpox, measles or similar. Medical research and investigation of diseases and healthcare concept.
Hand Holds Petri Dish with Bacteria Culture
Volvox sp. algae under microscopic view, dark background
Plankton are organisms drifting in oceans and seas. Zooplankton.
Ranuncuus Root C.S.  under light mircoscope with white background
Kyiv, Ukraine - March 14, 2011: Start web page of Wikipedia in browser window with Wikipedia internet address. Wikipedia is a free encyclopedia that anyone can edit. Wikipedia is a multilingual, web-based, free-content encyclopedia project based on an openly editable model.The one of the biggest encyclopedia in the internet.
Otodectes cynotis, or ear mites under the microscope. This mites are found in cat's ear. it can causing otitis externa.
Backgrounds of Characteristics and Different shaped Colony of Bacteria and Mold growing on agar plates from Soil samples for education in Microbiology laboratory.
In vitro bacterial culture
Scanning electron micrograph, black&white
Lactose-negative biofilm-forming Enterobacter cloacae, resistant to multiple drugs.  Enterobacter cloacae is a member of the normal gut flora. These bacteria are responsable for many hospital-acquired infections for which the mortality rate is generally high.
Freshwater aquatic zooplankton and algae under microscope view
Cheyletiella blakei Mite - Small Cat pest view under a microscope
Demodex folliculorum - parasitic mite on the eyelashes of a human eye, microscope
Florence, Italy - March 9, 2011: Close up of the wikipedia.org site it is a free, web-based, collaborative, multilingual encyclopedia project supported by the non-profit Wikimedia Foundation. Its 17 million articles (over 3.5 million in English) have been written collaboratively by volunteers around the world, and almost all of its articles can be edited by anyone with access to the site
Backgrounds of Characteristics  of Bacteria and Fungi  for education in Microbiology laboratory.
In vitro bacterial culture
Photomicrograph of rotifer, probably Rotaria rotatoria. Rapidly rotating cilia at top of head, internal organs visible. Green circles are algae. Live specimen. Original image at 40X, wet mount, transmitted brightfield illumination. Indistinct image due to motion blur of live specimen and very shallow depth of field of brightfield illumination.
Growth of Staphylococcus. Sputum Culture in blood agar media.
Spore bags of helminthosporium contain 8 cells. This disease causes helminthosporiosis of wheat. Soon very small and quite harmful.
The black colinies are Salmonella bacteria.
Scary looking 3D computer generated image of bacteria with an electron microscope look. More biomedical illustrations:
Microalgae under microscopic view, green algae, cyanobacteria, phytoplankton, diatom, algae mix collage background
Free Images: "bestof:Micro constants.png en wikipedia 2009 April 4 own sketch en wikipedia Sfan00_IMG CommonsHelper 2007-05-13 Petergans wikipedia en user petergans Petergans"
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