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).
Fear of depths
An abnormal and persistent fear of depths. Sufferers of this fear experience anxiety even though they realize they are safe from falling into or being consumed by depths. The feared object may be a long, dark hallway, a well or a deep pool…
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Show more- Pharmacology The study of drugs, their sources, their nature, and their properties. Pharmacology is the study of the…
- Iatr- Prefix relating to a physician or medicine. An iatrogenic illness is one inadvertently caused by a physician…
- Natural pacemaker The natural pacemaker of the heart is the sinus node, one of the major elements in the cardiac conduction…
- Adenomatous polyposis coli See: APC (meaning 3)
- Sydenham chorea An acute neurologic disorder that emerges several months following a streptococcal ('strep') infection, most…
- Ectomy A surgical suffix referring to the removal of something. For example, a lumpectomy is the surgical excision…
- Morton syndrome See: Morton's syndrome
- Marriage, cousin A form of consanguinity. Everyone carries recessive alleles, genes that are generally innocuous in the…
- Acid indigestion Excessive secretion of hydrochloric acid by the stomach cells. Medically known as hyperchlorhydria. Sometimes…
- Kinesin A family of microtubule motor proteins active in mitosis. The kinesins use chemical energy from the…
- Biopsy, punch See: Punch biopsy
- Boil A skin abscess, a collection of pus localized deep in the skin. A boil usually starts as a reddened, tender…