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).
Petit mal
A form of epilepsy with very brief, unannounced lapses in consciousness. A petit mal seizure involves a brief loss of awareness, which can be accompanied by blinking or mouth twitching. Petit mal seizures have a very characteristic…
Read the definitionRandom terms
Show more- Ageusia The inability to taste sweet, sour, bitter, or salty substances. Some people can taste but their ability to…
- Cancer, cervical See: Cervical cancer
- Arsine A colorless highly toxic gas. Arsine has a garlic-like or fishy odor. Because arsine is nonirritating and…
- Mutation, nonsense A mutation (a change) in a base in the DNA that prematurely stops the translation (reading) of messenger RNA…
- Wolf-Hirschhorn syndrome Abbreviated WHS. A chromosome disorder due to partial deletion of the short (p) arm of chromosome 4. It is…
- Periodontics Periodontics is the branch of dentistry concerned with the prevention, diagnosis and treatment of diseases…
- Unconscious 1. Interruption of awareness of oneself and one's surroundings, lack of the ability to notice or respond to…
- Royal Society, the Nerable scientific society in England which in 1665 published one of the first 2 scientific journals in the…
- Genome Database The Genome Database (GDB) is the official central repository for genomic mapping data resulting from the…
- Vaccinia, congenital See Congenital vaccinia
- R-2 Street term for Rohypnol
- Pallidotomy A surgical operation performed on the globus pallidus to destroy it. The purpose of this operation is to…