Most emphasis has been placed on the introduction of substituents in the steroid nucleus, while changing the configuration at the centres of asymmetry has received relatively little consideration ...

This is a process that occurs over hours or days, and the scientific community's focus on these mechanisms began in the 1960s with the discovery of steroid receptors in the nucleus (Pfaff & Levine ...

The facial nucleus is the brain structure, which controls the muscles of the face. Trunk tip of an African elephant with the two trunk fingers (right). The ‘trunk-finger’ representation stands ...

Sites of DNA damage are seen in yellow/red foci. Numerous sites of DNA damage are present on each heat-shocked spermatocyte nucleus. Image taken with a DeltaVision Ultra High Resolution widefield ...