Glossary of Terms

Click on a word/phrase below to see its definition.

Nucleotide

Nucleotide

A building block of DNA or RNA

Oligomer

Oligomer

A oligomer is a molecule that consists of a few similar or identical repeating units which could be derived, actually or conceptually, from copies of a smaller molecule.

Omigapil

Omigapil

A drug currently being tested in clinical trials (see CALLISTO) to slow apoptosis (muscle cell death)

Organelle

Organelle

Any of a number of organized or specialized structures within a living cell.

Orphan Disease

Orphan Disease

A condition that affects fewer than 200,000 people in the United States or less than 1:2,000 in Europe.

Orphan Drug

Orphan Drug

A pharmaceutical agent that has been developed specifically to treat a rare medical condition, the condition itself being referred to as an orphan disease, as designated by the FDA

Orphan Drug Status

Orphan Drug Status

A pharmaceutical agent that has been developed specifically to treat a rare medical condition, the condition itself being referred to as an orphan disease, as designated by the FDA

Orthotic

Orthotic

An artificial support or brace for the limbs or spine

Osteopenia

Osteopenia

The reduction of bone density, less severe than osteoporosis

Osteoporosis

Osteoporosis

The reduction of bone density, more severe than osteopenia

Oxidation-reduction reactions

Oxidation-reduction reactions

A redox (or oxidation-reduction) reaction is a type of chemical reaction in which the oxidation states of atoms are changed. Redox reactions are characterized by the actual or formal transfer of electrons between chemical species, most often with one species undergoing oxidation while another species undergoes reduction.

Palliative Care

Palliative Care

A specialized form of care for people with a serious illness to provice relief from symptoms

Passive Stretch

Passive Stretch

Passive stretch is when an external force exerts upon the limb to move it into the new position; differing from active stretch which stimulates and prepares muscles for use during exercise

Pathogenic

Pathogenic

Referring to a genetic change that causes disease.

Pathogenicity

Pathogenicity

The property of causing disease.