MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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).
Sunburn
Sunburn is an inflammation of the skin that develops in response to exposure to ultraviolet (UV) radiation from the sun or from tanning beds and booths that emit UV radiation. Sunburn is manifested by reddened, painful skin that may…
Read the definitionRandom terms
Show more- FDA The Food and Drug Administration, an agency within the U.S. Public Health Service, which is a part of the…
- Bulimia susceptibility gene A gene that determines the susceptibility to developing bulimia, one disorder in the spectrum of eating…
- Periodic abstinence Also known as fertility awareness, natural family planning, and the rhythm method, this approach entails not…
- Smallpox vaccine A vaccine containing a live virus called vaccinia used to prevent smallpox. The vaccine does not contain the…
- Differentiated cancer Cancer: A cancer in which the cells are mature and look like cells in the tissue from it arose…
- Nostril One of the openings in the nose that allows air to flow in and out of the nasal cavities. The word nostril…
- Anesthetist 1. In the US, a nurse or technician trained to administer anesthetics.2. In the UK, the same as an…
- Signal transduction pathway The course by which a signal from outside a cell is converted to a functional change within the cell
- Heartburn An uncomfortable feeling of burning and warmth occurring in waves rising up behind the breastbone (sternum)…
- ITP 1. Idiopathic thrombocytopenic purpura. (Original use.)2. Immune thrombocytopenic purpura. (Newer use). Note…
- Tetrafluoroethylene A substance that is a possible carcinogen (cancer-causing agent) used in the production of polymers such as…
- Joint, elbow Three long bones meet in the middle portion of the arm at the elbow joint. The bone of the upper arm…