Tissue section of human prostate containing adenocarcinoma that has been immunostained for the cell-surface antigen CD227. 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 CD227. 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 CD133. 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 CD133. 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...

Freeze fracture images of synaptic junctions in the retina of Macaca mulatta. The electron micrograph in the top panel shows two invaginating synapses between cone and horizontal cells in the outer p...

Monocyte/macrophage (black arrows) karyorhexis

Monocyte/macrophage (black arrows) karyorhexis

CD105 Immunostain of Human Prostate. Tissue section of human prostate containing adenocarcinoma that has been immunostained for the cell-surface antigen CD105. Nuclei are stained in blue. This image i...

Tissue section of human prostate containing adenocarcinoma that has been immunostained for the cell-surface antigen CD133. Nuclei are stained in blue. This image is part of a large collection of image...