This cross section shows a human fetal testis. Numerous seminiferous tubules appear within a lobe of the testis. It has not been treated with an antibody but is autofluorescent and therefore appears b...

Differential interference contrast image of a Paramecium (unicellular ciliate protozoa) surface. The image shows three water vacuoles contracting. Specimen observed at 100x. Judges' Special Award for...

Fluorescent micrograph of a Tilia tree taken at 10X. Honorable Mention, 2011 Olympus BioScapes Digital Imaging Competition®.

Degree of Human CRC Malignancy is Associated with Increased Macropinocytosis/MVB/Lysosome markers and decreased GSK3 levels with human colon paraffin section.

Trichodina pediculus, a "hydra bug." Image captured at about 600x magnification using differential interference contrast. Eighth Prize, 2008 Olympus BioScapes Digital Imaging Competition®.

American Elm seed (Ulmus americana), captured using stereomicroscopy and polarized light. These seeds are also called samaras and have characteristic "wings" on their periphery. Honorable Mention, 2...

Confocal micrograph of a Halammohydra schulzei, which is a hydra-type fresh-water cnidarian less than 1 millimeter long. 2011 Olympus BioScapes Digital Imaging Competition®.