Tissue section of human prostate containing adenocarcinoma that has been immunostained for the cell-surface antigen CD49d. Nuclei are stained in blue. This image is part of a large collection of image...

Tissue section of human prostate containing adenocarcinoma that has been immunostained for the cell-surface antigen CD49d. Nuclei are stained in blue. This image is part of a large collection of image...

Tissue section of human prostate containing adenocarcinoma that has been immunostained for the cell-surface antigen CD49d. Nuclei are stained in blue. This image is part of a large collection of image...

Tissue section of human prostate containing adenocarcinoma that has been immunostained for the cell-surface antigen CD49d. Nuclei are stained in blue. This image is part of a large collection of image...

Serial electron micrograph series through layers 1-4 of the primary visual cortex of the adult mouse. Reconstruction encompasses 450 X 350 X 52 um volume of tissue and contains ~ 1500 cell bodies. T...

Distribution of interneurons expressing EGFP from the 5HT3 receptor promoter (Tg(Htr3a-EGFP)DH30Gsat, www.gensat.org) colabelled for the CB1 cannabinoid receptor. This image is from the pyramidal cel...

Scanning electron micrograph of a hamster oocyte cumulus complex. Cumulus cells (purple) and matrix (gray) are shown. Small blood clots (red) also often appear in oocyte cumulus complexes. The red blo...

Section through a neonatal dorsal root ganglion (DRG) showing the cell bodies of different populations of sensory nerves. The myelinated A fibers that detect tactile sensations are shown in red. The p...

This is a live image of the bdelloid rotifer Philodina roseola. Bdelloid rotifers are microscopic freshwater invertebrates best known for their capacity to undergo frequent cycles of desiccation and r...

Fluorescent micrograph showing transgenic zebrafish embryos expressing green fluorescent protein in the muscle precursor cells (myotomes). The green fluorescence comes from an alpha-actin-GFP transgen...