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).
Benign intracranial hypertension
Increased pressure within the brain in the absence of a tumor. Symptoms may include headache, nausea, vomiting, pulsating intracranial noises, singing in the ears, double vision, loss of visual accuracy, and even blindness. It is most…
Read the definitionRandom terms
Show more- Hansen's disease See: Hansen disease
- Pharmacopeia Also spelled pharmacopoeia, an official authoritative listing of drugs. Aspirin has, for example, long been…
- Special pathogen A highly infectious agent that produces severe disease in humans. Special pathogens include the viruses that…
- Access 1. In general, a means of approaching something. 2. In health care, the opportunity or right to receive…
- Boil A skin abscess, a collection of pus localized deep in the skin. A boil usually starts as a reddened, tender…
- Botulism Botulism: An uncommon but potentially very serious illness, a type of food poisoning, that produces paralysis…
- Melanin A skin pigment (substance that gives the skin its color). Dark-skinned people have more melanin than light-…
- First do no harm Slogan used in medicine often in the Latin wording 'primum non nocere,' a fundamental medical precept of…
- Excimer laser A laser that emits very concentrated light in the ultraviolet (UV) region of the spectrum. Excimer lasers are…
- Flu Short for influenza. The flu is caused by viruses that infect the respiratory tract which are divided into…
- Ophthalmologist An eye doctor. A physician practicing ophthalmology. An ophthalmologist is an M.D.
- Apposition The word 'apposition' has several senses including the act of adding or accretion and also the putting of…