Actin is a family of globular multi-functional proteins that form microfilaments in the cytoskeleton, and the thin filaments in muscle fibrils.

Adenosine triphosphate (ATP) is a complex organic chemical that is involved in energy transfer within cells.

Angiogenesis is the physiological process through which new blood vessels form from pre-existing vessels, formed in the earlier stage of vasculogenesis.

Apoptosis, also known as programmed cell death, is a highly regulated form of cell death that occurs in multicellular organisms.

Bacteria are single-celled microorganisms that have a wide range of shapes and sizes.

Cancer is a broad term used to describe a group of diseases characterized by the uncontrolled growth and spread of abnormal cells in the body.

The cell membrane, or plasma membrane, is a biological membrane that surrounds the cytoplasm of cells.