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).
Vaccine, flu
The flu (influenza) vaccine is recommended for persons at high risk for serious complications from influenza infection. Those include: > >Everyone age 65 or more; >People with chronic diseases of the heart; >People with chronic diseases of…
Read the definitionRandom terms
Show more- Meibomianitis Inflammation of the little glands called Meibomian glands located in the eyelids that make a lubricant which…
- Asthma, exercise-induced Asthma, exercise-induced: Asthma that is 'triggered' by vigorous physical activity. Exercise-induced asthma…
- Cell, cone A type of specialized light-sensitive cell (photoreceptor) in the retina of the eye that provide sharp…
- Hypergraphia The driving compulsion to write; the overwhelming urge to write. Hypergraphia may compel someone to keep a…
- Fred L. Soper See: Soper, Fred L.
- National board exams The National board exams in medicine refer to the United States Medical Licensing Examination (USMLE). This…
- Lumpectomy The surgical removal of a small tumor (a lump) which may or may not be benign (or malignant). Lumpectomy has…
- Proportional counter A device for measuring radioactivity. More technically, a proportional counter counts the emission of…
- Hypothalamus The area of the brain that controls body temperature, hunger, and thirst
- Opportunistic condition A condition that occurs especially or exclusively in persons with a weak immune system due, for example, to…
- Intracranial Within the cranium, the bony dome that houses and protects the brain. An intracranial hemorrhage is bleeding…
- Lymphoma, Burkitt See: Burkitt lymphoma