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).
Pressure, low blood
Any blood pressure that is below the normal expected for an individual in a given environment. Low blood pressure is also referred to as hypotension. Low blood pressure is a relative term because the blood pressure normally varies greatly…
Read the definitionRandom terms
Show more- Penicillin history The discovery of penicillin, one of the major events in the history of medicine. In 1871 the scientist Joseph…
- In-the-canal hearing aid A hearing instrument custom designed to fit in the ear canal. It protrudes slightly into the outer ear and so…
- Supraventricular tachycardia Abbreviated SVT. A regular, abnormally fast heart beat (tachycardia) caused by rapid firing of electrical…
- OPCA Olivopontocerebellar atrophy
- Arthritis Arthritis: Inflammation of a joint. When joints are inflamed they can develop stiffness, warmth, swelling…
- Buffalo chest A single chest cavity with no anatomic separation of the two hemithoraxes due, for example, to tension…
- Keratitis-ichthyosis-deafness syndrome >Keratitis -- gradual destruction of the cornea of the eye, sometimes leading to blindness >Ichthyosis --…
- Sexual jealousy See: Othello syndrome
- Cysticercosis An infection caused by the pork tapeworm, Taenia solium. Infection occurs when the tapeworm larvae enter the…
- Bioelectric impedance analysis A seemingly simple method for determining the lean body mass. Abbreviated BIA. There are two methods of the…
- Atopic Prone to allergies or characterized by allergy
- Acoustic neurinoma A benign tumor that may develop on the hearing and balance nerves near the inner ear. The tumor results from…