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).
Ulcerative gingivitis
This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead tissue from the mouth and throat due to the spread of infection from the gums. Certain germs (including fusiform bacteria and…
Read the definitionRandom terms
Show more- Oz. Abbreviation for ounce
- Cerebrovascular accident (CVA) prevention In many cases, a person may have a transient ischemic attack (TIA), a neurological event with the symptoms of…
- Lice, head See: Head lice
- Tamponade, chronic A situation in which a chronic excess of fluid inside the pericardial sac and thickening of the pericardial…
- Sutton's law In medicine, the principle of going straight to the most likely diagnosis. The law is named for the bank…
- Start, sleep See: Hypnic jerk
- Brown fat Brown adipose tissue, a rapid source of energy for infants in whom it forms about 5% of their body weight. It…
- Anemia, Biermer's Anemia, Biermer's: A blood disorder caused by a lack of vitamin B12. Patients who have this disorder do not…
- Aphrasia The inability to speak or understand phrases
- PGE-2 Prostaglandin E2
- Memory B cells Secondary immune-system components that have an affinity for a particular antigen. Like other B cells, memory…
- Incontinence of urine Inability to hold urine in the bladder. This is due to failure of voluntary control over the urinary…