The loosely packed form of chromatin found in the nucleus of a cell, which is active in gene transcription.

The study or belief in improving the genetic quality of the human population, often through selective breeding or other controversial practices.

Laws that were enacted in the early 20th century aimed at controlling human reproduction in an effort to improve the genetic composition of the population.

The characteristic motion of euglenoid protozoa, in which the body moves by the sliding of cytoplasm within the cell.

An organism whose cells contain a nucleus and other organelles enclosed within membranes, distinct from prokaryotes.

A cell or organism that has a complete set of chromosomes, typically a multiple of the haploid number.

Referring to substances or factors that induce erythema or redness of the skin.

Pertaining to or characterized by erythema, often used to describe conditions that cause skin redness.

A red blood cell, responsible for carrying oxygen from the lungs to the tissues and returning carbon dioxide to the lungs for exhalation.

Embryonic stem cells, pluripotent cells derived from early embryos that have the potential to differentiate into any cell type.