Scanning probe/atomic force microscope image of human chromosome 1. Additional scanning probe chromosome images are available as CIL 38987, 39000, and 39013.

Scanning electron micrograph showing the tip of a Hydra viridis tentacle. A meshwork of triggered nematocyst cells is visible. When hooked cnidocytes on the surface of the tentacle come in contact wit...

Scanning electron micrograph showing tentacles on the head of a Hydra viridis. Epithelial cells located at the base of the tentacle are in a flat, contracted state. Cell distal to the head of the H. v...

Scanning electron micrograph showing tentacles on the head of a Hydra viridis. Epithelial cells located at the base of the tentacle are in a flat, contracted state. Cell distal to the head of the H. v...

Scanning electron micrograph montage of cultured HeLa cells. This image is a montage of six overlapping fields of view, each photographed at 2,231x with a 17.8mm working distance and an accelerating v...

Chick Chorioallantoic Membrane (CAM). This scanning electron micrograph shows a section through part of a chick chorioallantoic membrane. A blood vessel has been fractured in the middle of CAM reveal...

Surface of the zona pellucida surrounding a hamster oocyte. This scanning electron micrograph shows the zona pellicida around a hamster oocyte at high magnification. The zona pellicida has a complex ...

Scanning electron micrograph of Helianthus annuus (Sunflower) pollen. These specimens have been acetolyzed to remove cytoplasm and pollenkit in order to reveal the intricate wall structure. This is pa...

Scanning electron micrograph of Pinaceae strobus (Eastern white pine) pollen. These specimens have been acetolyzed to remove cytoplasm and pollenkit in order to reveal the intricate wall structure. Th...

Scanning electron micrograph of Amaranthus opopeo pollen. These specimens have been acetolyzed to remove cytoplasm and pollenkit in order to reveal the intricate wall structure. This is part of a larg...