Transmission electron micrographs showing the unusual configuration of nucleoli in Sertoli cells, with smaller, highly dense spherical bodies flanking a large central body. Upper micrograph from guin...

Transmission electron micrograph showing the inactive X chromosome (labeled Sex Chromatin), and also known as the Barr body, adpressed to the nucleolus in this section through the nucleus of a spinal ...

Single slice confocal images representing one optical slice of a cell stained for the Human Protein Atlas (HPA) antibody HPA005963 (shown in green). HPA005963 is a polyclonal anti-CLIC3 antibody that ...

Surface rendered models of chromatin organization from tomogram derived from a TEM image of epon section of a freeze-substituted mouse retina. (C) shows the region boxed in CIL:39743 where 4 regions o...

Single slice confocal images representing one optical slice of a cell stained for the Human Protein Atlas (HPA) antibody HPA044440 (shown in green). HPA044440 is a polyclonal Anti-NOL8 antibody that...

Transmission electron micrograph illustrating the accumulation of dense heterochromation that accompanies terminal differentiation in may cells. Shown here is a section through a polychromatophilic er...

The intracellular mobility of MeCP2 (a methylated DNA-binding protein) followed in a mouse fibroblast stably expressing GFP-MeCP2 through a time series of images captured by confocal microscopy after ...

This image shows a bovine pulmonary artery endothelial cell. The pulmonary artery is the large vessel that takes deoxygenated blood cells from the heart to the lungs. These cells have been stained wit...

Transmission electron micrograph of Leydig cell nucleus from the domestic boar contains a region (arrow) thought to represent the single X chromosome which is largely heterochromatic. The chromosome i...

Single slice confocal images representing one optical slice of a cell stained for the Human Protein Atlas (HPA) antibody HPA001677 (shown in green). HPA001677 is a polyclonal anti-GOLIM4 antibody tha...