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).
MCAF
Monocyte chemotactic and activating factor. See: MPC1
Read the definitionRandom terms
Show more- Breech birth Literally, delivery of the baby by the buttocks first, rather than the head as is usual. Breech birth is more…
- Flavivirus A family of viruses transmitted by mosquitos and ticks that cause some important diseases, including dengue…
- Masticate To chew, grind, or pulverize food (or something else) until it turns to pulp. From the Latin masticare, from…
- Dog genome All of the genetic information from the dog. The genetic first draft of the dog genome sequence was completed…
- Piercing Using a sharp instrument, usually a needle, to make a temporary or permanent hole through an earlobe or other…
- Daughter 1. A female offspring. 2. A female adopted child. 3. A product of radioactive decay. 4. A cell resulting from…
- Genome, Vibrio cholerae The genome of the bacterium that causes cholera. This genome contains over 4 million bases in its DNA…
- Cascade A sequence of successive activation reactions involving enzymes (enzyme cascade) or hormones (hormone…
- Viscera The internal organs of the body, specifically those within the chest (as the heart or lungs) or abdomen (as…
- FAS gene A gene that encodes one of several proteins important to apoptosis, the normal process through which cells…
- Heterosexuality Sexuality directed toward someone of the opposite sex
- Node, SA The SA node (SA stands for sinoatrial) is one of the major elements in the cardiac conduction system, the…