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Glossary

Showing 991-1000 out of 1184 Terms

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  • Renal

    Pertaining to your kidneys.

  • Reproductive hormones

    (REE-proh-DUK-tiv HOR-mone)

    A type of hormone involved in fertility and sexuality. Reproductive hormones are usually made in the ovaries (in females) and testes (in males). Female reproductive hormones include estrogen and progesterone. They help develop and maintain female sex characteristics and play an important role in the menstrual cycle, fertility, and pregnancy. Male reproductive hormones, such as testosterone, help develop and maintain male sex characteristics and help make sperm in the testes. Some reproductive hormones may also be made in the laboratory and used to treat certain medical conditions.

  • Research

    A scientific way to examine a problem, answer a question or gain new information.

  • Resection

    ree-SEK-shun

    Surgery to remove tissue or part or all of an organ.

  • Resident

    A physician in the second or third year of training after completing medical school.

  • Resistance

    The inherent ability of an organism to resist harmful influences.

  • Respiration

    The process of breathing.

  • Respiratory therapist

    (RES-pih-ruh-TOR-ee THAYR-uh-pist)

    A health professional trained to evaluate and treat people who have breathing problems or other lung disorders.

  • Respiratory tract

    (RES-pih-ruh-TOR-ee trakt)

    The organs that are involved in breathing. These include the nose, throat, larynx, trachea, bronchi, and lungs. Also called respiratory system.

  • Retina

    (REH-tih-nuh)

    The light-sensitive layers of nerve tissue at the back of the eye that receive images and sends them as electric signals through the optic nerve to the brain.