MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Tritium
Hydrogen-3, an isotope of hydrogen. Tritium is a long-lived weak emitter of radiation and can be easily incorporated in large molecules such as DNA, and is therefore much used for autoradiography in the laboratory
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Show more- Aspartic acid An amino acid, one of the 20 building blocks of protein. A amino acid that is not essential to the human…
- Athetosis Involuntary writhing movements particularly of the arms and hands.
- Mifepristone The French abortion pill, also known as RU-486. RU-486 has been used in combination with another drug called…
- Sprue, nontropical This condition results from an immune (allergic) reaction to gluten, a protein found in wheat and related…
- Band, Q A form of chromosome band, one of the bright and dull fluorescent bands seen alternating along the length of…
- Drain, Penrose See: Penrose drain
- Contraceptive, implantable progestin Implantable progestin in the form of Norplant was approved by the U.S. Food and Drug Administration (FDA) for…
- IgD Immunoglobulin D, a class of immunoglobulins found as antibodies on the surface of B cells (B lymphocytes)…
- Bones of the arm, wrist and hand There are 64 bones in the upper extremity. They consist of 10 shoulder and arm, 16 wrist and 38 hand bones. >…
- Pee An informal term for piss, meant to lessen its vulgarity, but synonymous with it
- Globus pallidus A pale-appearing spherical area in the brain. The globus pallidus is part of what is called the lentiform…
- Syndrome, Lennox-Gastaut A severe form of epilepsy that usually begins in early childhood and is characterized by frequent seizures of…