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).
Tuberculosis vaccination
A vaccination for tuberculosis (TB). The vaccine, known as BCG (bacille Calmette Guerin), is used in most developing countries to reduce the severe consequences of TB in infants and children. However, BCG vaccine has variable efficacy in…
Read the definitionRandom terms
Show more- Sea poisoning An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- Auricular Of or pertaining to the outer ear. Adjective form of auricle. (Not to be confused with avuncular which refers…
- Ollier disease A condition characterized by multiple enchondromas -- benign masses of cartilage growing within bones. An…
- Emergency code While there is no formal definition for a 'Code,' doctors often use the term as slang to refer to a patient…
- Narcolepsy Narcolepsy: A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep…
- Seizure, petit mal See: Petit mal
- Doxycycline Doxycycline: Brand name: Vibramycin. A synthetic broad-spectrum antibiotic derived from tetracycline…
- Astigmatic Referring to astigmatism or a person with astigmatism, a common form of visual impairment in which part of an…
- Racemose aneurysm An aneurysm that looks like a bunch of grapes
- Lipodystrophy syndrome A disturbance of lipid (fat) metabolism that involves the partial or total absence of fat and often the…
- Sequester 1. In medicine, to set apart, detach or separate a small portion of tissue from the rest. 2. In bone, for a…
- Borrelia A group of bacteria that are helical spirochetes of the genus Borrelia. Some species of Borrelia cause…