Photo Researchers ftp March 2011

Didinium devouring a paramecium. Didinium possess a toxin, which is released upon contact with prey, and it serves to kill and paralyze its victim. Si...

Light micrograph of a section of human thymus; magnification 10X at 35mm. The thymus is a specialized organ in the immune system, which produces T-lym...

Light Micrograph (LM) showing Pneumocystis jirovecii (formerly known as P. carinii) in lung (touch preparation). Pneumocystis jirovecii is a yeast-lik...

Phase contrast microscopy of living cyclidium sp. in mitosis. Magnification 128x @ 35mm.

Light micrograph (LM) Raphidiophrys sp., a genus of centrohelid, living heliozoan. Differential interference contrast, magnification 125x at 35mm.

Light micrograph (LM) of Raphidiophrys, a genus of centrohelid. Differential Interference Contrast (DIC), magnification 125x at 35mm.

Light micrograph (LM) of living Raphidiophrys, a genus of centrohelid. Phase contrast, magnification 128x at 35mm.

Light micrograph showing Trypanosoma cruzi, a species of flagellate protozoan responsible for Chagas disease in humans. Magnification 800X at 35mm; Di...

Phase contrast Light Micrograph (LM) of Euglena, a genus of microscopic, single-celled protists. There are about 150 species of euglenas. They live in...

Darkfield Light Micrograph (LM) of Euglena, a genus of microscopic, single-celled protists. There are about 150 species of euglenas. They live in fres...

Darkfield Light Micrograph (LM) of Euglena, a genus of microscopic, single-celled protists. There are about 150 species of euglenas. They live in fres...

Light micrograph of mouse blood showing Trypanosoma cruzi, a species of flagellate protozoan responsible for Chagas disease in humans. Magnification 1...

Light micrograph of ciliates in the subclass Suctoria (living specimens). Differential Interference Contrast (DIC). Magnification 160x at 35mm.

Light micrograph of ciliates in the subclass Suctoria (living specimens). Differential Interference Contrast (DIC). Magnification 160x at 35mm.

Light micrograph showing the ciliate species Stentor coeruleus; living specimen. Magnification 20x at 35mm.

Light micrograph of a ciliate in the genus Vorticella (living specimen). Differential Interference Contrast (DIC). Magnification 80x at 35mm.

Light micrograph of a ciliate in the genus Vorticella (living specimen). Differential Interference Contrast (DIC). Magnification 80x at 35mm.

Light micrograph of a ciliate in the genus Vorticella (living specimen). Differential Interference Contrast (DIC). Magnification 80x at 35mm.

Light micrograph of a ciliate in the genus Vorticella (living specimen). Differential Interference Contrast (DIC). Magnification 80x at 35mm.

Light micrograph (LM) of the ciliate Dileptus, living specimen. Differential Interference Contrast (DIC). Magnification 125x at 35mm.

Light micrograph (LM) of the ciliate Dileptus, living specimen. Differential Interference Contrast (DIC). Magnification 125x at 35mm.

Light micrograph (LM) of the ciliate Dileptus, living specimen. Differential Interference Contrast (DIC). Magnification 125x at 35mm.

Light micrograph (LM) showing Euglena gracilis (living specimen); magnification 125X at 35mm; differential interference contrast (DIC).

Light micrograph (LM) showing Euglena gracilis (living specimen); magnification 200X at 35mm; differential interference contrast (DIC).

Light micrograph (LM) showing Euglena gracilis (living specimen); magnification 200X at 35mm; differential interference contrast (DIC).

Light micrograph (LM) showing Euglena gracilis (living specimen); magnification 200X at 35mm; differential interference contrast (DIC).

Light micrograph (LM) showing Euglena gracilis (living specimen); magnification 200X at 35mm; differential interference contrast (DIC).

Light micrograph (LM) showing Euglena gracilis (living specimen); magnification 200X at 35mm; differential interference contrast (DIC).

Light micrograph (LM) showing Euglena gracilis (living specimen); magnification 160X at 35mm; differential interference contrast (DIC).

Light micrograph (LM) showing Euglena gracilis (living specimen); magnification 160X at 35mm; differential interference contrast (DIC).

Light micrograph (LM) showing Euglena gracilis (living specimen, colorless strain); magnification 160X at 35mm; differential interference contrast (DI...

Light micrograph (LM) showing Euglena gracilis (living specimen, colorless strain); magnification 160X at 35mm; differential interference contrast (DI...

Light micrograph (LM) showing Euglena gracilis (living specimen); magnification 200X at 35mm; differential interference contrast (DIC).

Light micrograph (LM) showing Euglena gracilis (living specimen); magnification 200X at 35mm; differential interference contrast (DIC).

Light micrograph (LM) showing Euglena gracilis (living specimen); magnification 200X at 35mm; differential interference contrast (DIC).

Differential interference contrast microscopy of spirulina major with amoeba. Magnification x125 @ 35mm.

Light micrograph of a ciliate in the genus Vorticella (living specimen). Differential Interference Contrast (DIC). Magnification 200x at 35mm.

Light micrograph of Giardia lamblia, a flagellated protozoan parasite that colonizes and reproduces in the small intestine, causing the disease Giardi...

Light micrograph (LM) of a ciliate in the genus Vorticella (living). Differential Interference Contrast. Magnification 50x at 35mm.

Light micrograph (LM) showing Paramecium caudatum (living specimen). Differential Interference Contrast (DIC). Magnification 50x at 35mm.

Light micrograph (LM) showing Paramecium caudatum (living specimen). Differential Interference Contrast (DIC). Magnification 50x at 35mm.

Light micrograph of a ciliate in the genus Vorticella (living specimen). Differential Interference Contrast (DIC). Magnification 125x at 35mm.

Light micrograph (LM) showing Euglena gracilis (living specimens); magnification 80X at 35mm; differential interference contrast (DIC).

Light micrograph (LM) showing Euglena gracilis (living specimens); magnification 80X at 35mm; differential interference contrast (DIC).

Light micrograph (LM) showing Euglena gracilis (living specimen); magnification 200X at 35mm; differential interference contrast (DIC).

Light micrograph of Giardia lamblia, a flagellated protozoan parasite that colonizes and reproduces in the small intestine, causing the disease Giardi...

Light micrograph of Giardia lamblia, a flagellated protozoan parasite that colonizes and reproduces in the small intestine, causing the disease Giardi...

Light micrograph of a ciliate in the genus Vorticella (living specimen, showing Pellicular folds). Differential Interference Contrast (DIC). Magnifica...

Light micrograph of a ciliate in the genus Vorticella (living specimen). Differential Interference Contrast (DIC). Magnification 200x at 35mm.

Light micrograph of a ciliate in the genus Vorticella (living specimen). Differential Interference Contrast (DIC). Magnification 200x at 35mm.