Photo Researchers ftp March 2011

Light micrograph of a ciliate in the genus Vorticella (living specimen). Differential Interference Contrast (DIC). Magnification 200x 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 125X at 35mm; differential interference contrast (DIC).

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

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

Light micrograph showing the ciliate species Stentor coeruleus; living specimen; close-up of cilia. Differential Interference Contrast (DIC). Magnific...

Light micrograph of a ciliate in the genus Vorticella (living specimen). Differential Interference Contrast (DIC). Magnification 160x at 35mm.

Light micrograph (LM) showing Paramecium caudatum (living). Brightfield. Magnification 25x 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 specimens). Phase contrast. Magnification 50x at 35mm.

Light micrograph showing the ciliate species Stentor coeruleus; living specimen. Differential Interference Contrast (DIC). Magnification 160x at 35mm.

Light micrograph showing the ciliate species Stentor coeruleus; living specimen. Differential Interference Contrast. Magnification 160x at 35mm.

Light micrograph showing the ciliate species Stentor coeruleus; living specimen. Differential Interference Contrast. Magnification 160x at 35mm.

Light micrograph showing the ciliate species Stentor coeruleus; living specimen. Differential Interference Contrast (DIC). Magnification 63x at 35mm.

Light micrograph showing the ciliate species Stentor coeruleus; living specimen. Differential Interference Contrast. Magnification 63x at 35mm.

Light micrograph showing the ciliate species Stentor coeruleus; living specimen. Differential Interference Contrast (DIC). Magnification 63x at 35mm.

Light micrograph showing the ciliate species Stentor coeruleus; living specimen. Differential Interference Contrast. Magnification 50x at 35mm.

Light micrograph of a ciliate in the genus Vorticella (living specimen). Differential Interference Contrast (DIC). Magnification 160x at 35mm.

Light micrograph of three Foraminifera protists, magnification 200x at 35mm.

Light micrograph of three Foraminifera protists, magnification 200x at 35mm.

Light micrograph (LM) showing various radiolaria. Magnification 100x at 35mm.

Light micrograph (LM) showing various radiolaria. Magnification 50x at 35mm.

Light micrograph of Acanthocystis turfacea, a Heliozoan; magnification 200x at 35mm.

Light micrograph (LM) of a ciliate in the genus Vorticella. Magnification 120x at 35mm.

Light micrograph (LM) of a ciliate in the genus Blepharisma. Magnification 200x at 35mm.

Color-enhanced Scanning Electron Micrograph (SEM) of a macrophage (green) and two lymphocytes (blue). Magnification unknown. Macrophages are immune sy...

Light micrograph (LM) of Balantidium coli, a parasitic species of ciliate protozoan that causes the disease Balantidiasis; trophozoite in intestine. B...

Light micrograph (LM) of Balantidium coli, a parasitic species of ciliate protozoan that causes the disease Balantidiasis; trophozoites in intestine....

Light micrograph (LM) of Balantidium coli, a parasitic species of ciliate protozoan that causes the disease Balantidiasis; here, cysts in feces. B. co...

Light micrograph (LM) of Balantidium coli, a parasitic species of ciliate protozoan that causes the disease Balantidiasis; cysts in feces. B. coli is...

Light micrograph (LM) showing oocysts of Cryptosporidium parvum, a parasitic protozoan that causes the intestinal disease cryptosporidiosis, in human...

Light micrograph (LM) of Balantidium coli, a parasitic species of ciliate protozoan that causes the disease Balantidiasis; trophozoite in feces. B. co...

Light micrograph (LM) of Balantidium coli trophozoite in intestine. B. coli is a parasitic species of ciliate protozoan that causes the disease Balant...

Light micrograph (LM) showing oocysts of Cryptosporidium parvum, a parasitic protozoan that causes the intestinal disease cryptosporidiosis, in human...

Light micrograph (LM) showing oocysts of Cryptosporidium parvum, a parasitic protozoan that causes the intestinal disease cryptosporidiosis, in human...

Light micrograph (LM) showing Paramecium bursaria (living), a species of ciliate protozoan that has a mutualistic symbiotic relationship with the gree...

Light micrograph (LM) showing Paramecium bursaria (living), a species of ciliate protozoan that has a mutualistic symbiotic relationship with the gree...

Light micrograph (LM) showing Paramecium bursaria (living), a species of ciliate protozoan that has a mutualistic symbiotic relationship with the gree...

Light micrograph (LM) of a peritrichous ciliate in the genus Epistylis (living). Differential Interference Contrast (DIC). Magnification 160x at 35mm.

Light micrograph (LM) of a peritrichous ciliate in the genus Epistylis (living). Differential Interference Contrast (DIC). Magnification 160x at 35mm.

Light micrograph (LM) showing Paramecium bursaria (living), a species of ciliate protozoan that has a mutualistic symbiotic relationship with the gree...

Light micrograph of human stool sample showing trophozoites and cysts of Giardia lamblia, a flagellated protozoan parasite that colonizes and reproduc...

Light micrograph of human stool sample showing trophozoites and cysts of Giardia lamblia, a flagellated protozoan parasite that colonizes and reproduc...

Light micrograph of human stool sample showing cysts of Giardia lamblia, a flagellated protozoan parasite that colonizes and reproduces in the small i...

Light micrograph of human stool sample showing cyst of Giardia lamblia, a flagellated protozoan parasite that colonizes and reproduces in the small in...

Light micrograph (LM) showing Paramecium bursaria (living), a species of ciliate protozoan that has a mutualistic symbiotic relationship with the gree...

Light micrograph (LM) showing Paramecium bursaria (living), a species of ciliate protozoan that has a mutualistic symbiotic relationship with the gree...

Light micrograph (LM) showing Paramecium bursaria (living), a species of ciliate protozoan that has a mutualistic symbiotic relationship with the gree...

Light micrograph (LM) of peritrichous ciliates in the genus Epistylis (living). Differential Interference Contrast (DIC). Magnification 40x at 35mm.

Light micrograph (LM) of peritrichous ciliates in the genus Epistylis (living). Differential Interference Contrast (DIC). Magnification 100x at 35mm.