Dividing cells from the liquid endosperm of the lily Haemanthus katherinae were fixed with paraformaldehye, embedded in epoxy, and 0.5 micrometer sections prepared. Images were obtained with the Wisco...

Spiroplasmas are bacteria in the Class Mollicutes that are frequently associated with insects and/or plants. This scanning electron micrographs shows symbiotic/ commensal spiroplasma-like organisms (S...

Dividing cells from the liquid endosperm of the lily Haemanthus katherinae were fixed with paraformaldehye, embedded in epoxy, 0.5 micrometer sections prepared, and stained with uranyl magnesium aceta...

Dividing cells from the liquid endosperm of the lily Haemanthus katherinae were fixed with paraformaldehye, embedded in epoxy, and 1.0 micrometer sections prepared. Images were obtained with the Wisco...

Dividing cells from the liquid endosperm of the lily Haemanthus katherinae were fixed with paraformaldehye, embedded in epoxy, and 1.0 micrometer sections prepared. Images were obtained with the Wisco...

Fluorescence images of control and nocodazole treated mitotic HeLa cells showing the distribution of gamma-tubulin (blue), and nuclear mitotic apparatus protein (NuMA)or human structural maintenance o...

HVEM image of thick section of a polytene chromosome from the fat bodyof 3rd instar larvae of Drosophila melanogaster showing the organization into bands and interbands characteristic of polytene chro...

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...

Salivary glands from 3rd instar larvae of Drosophila melanogaster were dissected, fixed with formalin and stained with uranyl acetate, embedded in epoxy resin, and 0.5 micrometer sections prepared (se...

Intestines from 3rd instar larvae of Drosophila melanogaster were dissected, fixed with formalin-acetic acid containing 0.1% Triton-X 100, and squashed on a glass slide. After freezing in liquid nitro...