MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Psychiatrist
A physician (an M.D.) who specializes in the prevention, diagnosis, and treatment of mental illness. Psychiatrists must receive additional training and serve a supervised residency in their specialty. They may also have additional training…
Read the definitionRandom terms
Show more- Power outage drinking water safety >Boil the water vigorously (water should be bubbling and rolling) for one to 3 minutes. >If you can't boil…
- Cerebral aneurysm A localized widening of a vessel within the brain. See: Berry aneurysm
- Sex chromosome The X chromosome or the Y chromosome, in humans. The sex chromosomes determine the sex of an individual. As a…
- Saccadic movement See: Saccade
- Basal nuclei A region located at the base of the brain composed of 4 clusters of neurons, or nerve cells. This area of the…
- STARI See: Hypnic jerk.
- Syndrome, Meniere A condition with recurrent vertigo accompanied by ringing in the ears (tinnitus) and deafness. Symptoms…
- Skin Diseases, National Institute of... Is and Musculoskeletal and (NIAMS): One of the National Institutes of Health in the U.S. As its somewhat…
- Biliary atresia Congenital absence or closure of the major bile ducts, the ducts that drain bile from the liver. Biliary…
- Rib, vertebral One of the last two ribs. A rib is said to be 'vertebral' if it does not attach to the sternum (the breast…
- Smooth muscle One of the three types of muscle tissue in the body (skeletal, smooth, cardiac). Generally forms the…
- Neurosyphilis Neurological complications in the third (tertiary) and final phase of syphilis, which involve the central…