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).
Antihistamines
Drugs that combat the histamine released during an allergic reaction by blocking the action of the histamine on the tissue. Antihistamines do not stop the formation of histamine nor do they stop the conflict between the IgE and antigen…
Read the definitionRandom terms
Show more- Bipolar disease Manic-depressive disease. See: Bipolar disorder
- Error, type I : Error, alpha
- GALT The enzyme (galactose-1-phosphate uridyl transferase) lack of which causes the genetic metabolic disease…
- Interventricular septum The stout wall separating the lower chambers (the ventricles) of the heart from one another. A hole in the…
- Gyrus, lingual See: Lingual gyrus
- Food irradiation A food safety technology designed to eliminate disease-causing germs from foods. Treating food with ionizing…
- Glycogen storage disease type V One of the 14 recognized diseases that interfere with the storage of carbohydrates as glycogen in the body…
- Homosexuality 1 Trisomy of the same chromosome. The occurrence of two children in the same family with trisomy 21 is an…
- Sweat A colorless transparent acidic fluid with a distinctive odor secreted by the small tubular sudoriferous…
- Transplant, hand and forearm Transplantation of the hand and the forearm from one person (a deceased donor) to another (the recipient). In…
- Stone-mason's disease See: Silicosis
- Gland, sweat The sweat (sudoriferous) glands are small tubular structures situated within and under the skin (in the…