General Medical Terms

A retinoid is a compound chemically related to vitamin A, used in medicine to influence skin cell growth and, in some forms, cancer treatment.

The small area behind the wisdom teeth.

Having to do with the area outside or behind the peritoneum (the tissue that lines the abdominal wall and covers most of the organs in the abdomen).

Retrospective describes research or review that looks backward at events, records, or outcomes that have already occurred.

A research study in which the medical records of groups of individuals who are alike in many ways but differ by a certain characteristic (for example, female nurses who smoke and those who do not…

A study that compares two groups of people: those with the disease or condition under study (cases) and a very similar group of people who do not have the disease or condition (controls).

Rheumatism is a broad, nonspecific term for pain and stiffness affecting joints, muscles, and related connective tissue, rather than a single diagnosis.

Examination of the inside of the nose using a rhinoscope.

A substance that is being studied in the treatment of cancer.

A family of anticancer drugs that interfere with the growth of tumor cells by blocking the formation of deoxyribonucleotides (building blocks of DNA).

Risedronate belongs to the bisphosphonate drug class and is an established medication for slowing bone loss and reducing fracture risk.

A measure of the risk of a certain event happening in one group compared to the risk of the same event happening in another group.

A ritual is a repeated, deliberate action or sequence of actions, which in a clinical context often refers to a compulsion in obsessive-compulsive disorder.

A substance that is being studied in the prevention of oral mucositis in patients receiving radiation therapy or chemotherapy for head and neck cancer.

A substance that is being studied for its ability to help other drugs reach the brain.

A substance that is being studied in the treatment of cancer.

A substance that is being studied in the treatment of anemia in patients who are receiving chemotherapy.

A type of chamomile plant with daisy-like white flowers that is found in Europe, North America, and Argentina.

A substance that is being studied in the treatment of cancer.

A measure of the percentage of cells in a tumor that are in the phase of the cell cycle during which DNA is synthesized.