Platinum replica illustrating the cytoskeletal organization of dendritic spines from extracted 14 DIV neurons. Thin spines associate with dendrites at the base (bottom) and with axons by the head (top...

High voltage (1MeV) transmission electron microscopy image of an isolated metaphase chromatid pair from a mouse A9 cultured cell, showing the fiber-like structure and several pieces of attached membra...

High voltage (1MeV) transmission electron microscopy image of an isolated metaphase chromatid pair from a mouse A9 fibroblast, showing the fiber-like structure. The image was taken with a specimen til...

High voltage (1MeV) transmission electron microscopy image of an isolated metaphase chromatid pair from a mouse A9 cell, showing the fibrous structure. The image was taken with a specimen tilt of 55 d...

High voltage (1MeV) transmission electron microscopy image of an isolated metaphase chromatid pair from a Chinese hamster ovary cell, showing the fiber-like structure and two large pieces of attached ...

Scanning electron microscope image of a cross-section through an Oryza sativa (Rice) stem, showing the vascular bundles arranged in two rings and central pore (usually filled with mucilage, but collap...

High magnification scanning electron micrograph of a cross-section through a Psidium guajava vascular bundle. The image shows the phloem and xylem, with the vascular cambiun in-between. This image is...

Nucleated erythrocytes from the newt Notopthahmus viridescens were spread on water, the dispersed chromatin picked up on carbon-formvar grids, fixed with paraformaldehye, critical point dried and shad...

Nucleated erythrocytes from chicken were spread on water, the dispersed chromatin picked up on carbon-formvar grids, fixed with paraformaldehye, critical point dried and shadowed with platinum. Image...

Nucleated erythrocytes from chicken were spread on water, the dispersed chromatin picked up on carbon-formvar grids, fixed with paraformaldehye, critical point dried and shadowed with platinum. Image...