Photo Researchers ftp March 2011

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

Light micrograph showing Trichonympha campanula (living), a xylophagous (cellulose-digesting) symbiont in Zootermopsis termite gut. Trichonympha live...

Light micrograph showing Trichonympha sphaerica (living specimen), a xylophagous (cellulose-digesting) symbiont in Zootermopsis termite gut. Trichonym...

Light micrograph showing Trichonympha campanula (living), a xylophagous (cellulose-digesting) symbiont in Zootermopsis termite gut. Trichonympha live...

Light micrograph (LM) showing a pair of living Paramecium multimicronucleatum, a ciliate protist. Phase contrast; magnification 65X at 35mm.

Light micrograph of the protozoan ciliate Paramecium multimicronucleatum (living) discharging tricocysts. Phase contrast. Magnification 65x at 35mm.

Light micrograph showing Trichonympha campanula (living), a xylophagous (cellulose-digesting) symbiont in Zootermopsis termite gut. Trichonympha live...

Light micrograph showing Trichonympha campanula (living), a xylophagous (cellulose-digesting) symbiont in Zootermopsis termite gut. Trichonympha live...

Light micrograph (LM) showing Streblomastix strix (living specimen), a symbiotic eukaryote that lives in the stomach of termites and other insects, di...

Light micrograph (LM) showing Streblomastix strix, a symbiotic eukaryote that lives in the stomach of termites and other insects, digesting the cellul...

Light micrograph showing Trichonympha campanula and Trichomonas termopsidis (living), both xylophagous (cellulose-digesting) symbionts in termites. Di...

Light micrograph (LM) showing Streblomastix strix, a symbiotic eukaryote that lives in the stomach of termites and other insects, digesting the cellul...

Light micrograph (LM) showing Streblomastix strix, living specimens, in termite gut, with bacteria. S. strix is a symbiotic eukaryote that lives in th...

Light micrograph showing Trichonympha campanula and Trichomonas termopsidis (living specimens), both xylophagous (cellulose-digesting) symbionts in te...

Differential interference contrast microscopy of living paramecium caudatum during conjugation, (exchange of micronuclei). Magnification 80x @ 35mm.

Differential interference contrast microscopy of living paramecium caudatum during conjugation, (exchange of micronuclei). Magnification 80x @ 35mm.

Differential interference contrast microscopy of living paramecium caudatum during conjugation, (exchange of micronuclei). Magnification 80x @ 35mm.

Differential interference contrast microscopy of living paramecium caudatum during conjugation, (exchange of micronuclei).

Light micrograph (LM) of Didinium nasutum (living). Phase contrast, magnification 100x at 35mm.

Light micrograph (LM) of Didinium nasutum (living). Differential Interference Contrast, magnification 160x at 35mm.

Light micrograph (LM) of Didinium nasutum (living). Differential Interference Contrast, magnification 100x at 35mm.

Differential interference contrast microscopy of living paramecium caudatum during conjugation, (exchange of micronuclei). Magnification 128x @ 35mm.

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

Differential interference contrast microscopy of living paramecium caudatum during conjugation, (exchange of micronuclei). Magnification 128x @ 35mm.

Light micrograph (LM) of the spleen, showing red/white pulp, arterioles. H&E stain; magnification 100x at 35mm. The spleen is a large lymphatic organ,...

Light micrograph of a Leaf tip. Cross section of an Oak (Quercus alba), epidermis, palisade layer, and spongy tissue. magnification x100 @ 35mm.

Light microscope of paramecium caudatum in binary fission. Magnification 85x @ 35mm.

Light microscope of gametophyte of horsetail (equisetum).

Computer color enhanced snowflake.

Snowflake. Computer enhanced after W. A. Bentley.

Snowflake. Snowflakes. Computer enhanced after W. A. Bentley.

Color-enhanced Transmission Electron Micrograph (TEM) of a T-lymphocyte, magnification unknown.

Snowflake.

Snowflake.

Snowflake.

Snowflake.

Snowflake.

Snowflake.

Snowflake.

Snowflake.

Pakistani women learn about the stages of pregnancy at a Family Planning Clinic in Lahore.

Mother with newborn.

Planned parenthood sign on the New York City subway.

Dr. H.D. Humphrey shows Mrs. Pearl Combs her new daughter, Janelle Ann, on June 18, 1975. Tompkins County Hospital, Ithica, New York.

A nurse measures a newborn baby while the father looks on.

A nurse explains the use of an intrauterine device at a family planning clinic, Medical Health Center of Zenhom, Cairo, Egypt.

Family Planning Clinic, Medical Health Center of Zenhom, Cairo, Egypt.

Moment of birth, Natural Childbirth Center, Santa Monica Hospital, California.

Doctor cuts the umbilical cord of a newborn baby boy.

Transmission electron micrograph (TEM) of a section through a red blood cell infected with malarial parasites (Plasmodium sp.). Single-celled malaria...