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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Retinitis pigmentosa
Any one of a large group of inherited disorders in which abnormalities of the photoreceptors (the rods and cones) in the retina lead to progressive visual loss. People with retinitis pigmentosa (RP) first experience defective dark…
Read the definitionRandom terms
Show more- Sinusitis Sinusitis: Sinusitis is inflammation of the lining membrane of any of the hollow areas (sinuses) of the bone…
- Martorell syndrome Named after Fernando Martorell Otzet, Spanish cardiologist (1906-1984). In 1944 Martorell provided an…
- HUGO Acronym for the Human Genome Organisation, the international organization of scientists involved in the Human…
- Macrophage A type of white blood that ingests (takes in) foreign material. Macrophages are key players in the immune…
- American Association of Dermatology One of a multitude of professional societies in the health arena. The AMA (the American Medical Association)…
- Postcoital contraception See: Emergency contraception
- Velvet ant sting Common in most parts of the world including the Southern and Southwestern United States, velvet ants are not…
- Lithotripsy A procedure to break a stone into small particles that can be passed in the urine.
- Infection, Neisseria An infection acquired in a hospital. Specifically an infection that was not present or incubating prior to…
- Pox virus See: Orthopox
- Great pox Syphilis. An old name to distinguish it from the smallpox
- Prepubertal Before puberty, the period during which secondary sex characteristics start to develop and the capability for…