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).
Loneliness, fear of
An abnormal and persistent fear of loneliness, of being alone. Sufferers of this fear experience undue anxiety even though they realize that being alone does not threaten their well-being. They may worry about being ignored and unloved, or…
Read the definitionRandom terms
Show more- Crabs Slang for pubic lice. See: Public lice
- Anti-CCP See: Citrulline antibody
- Cannabis The botanical name for the plant from which marijuana comes. Its full name is Cannibis sativa. Use of…
- Shinbone The larger of the two bones in the lower leg (the smaller one being the fibula). The shinbone is anatomically…
- Calor, dolor, rubor, and tumor Heat, pain, redness, and swelling. The four classical signs of inflammation, originally recorded by the Roman…
- Acetaminophen Our Acetaminophen Main Article provides a comprehensive look at the who, what, when and how of Acetaminophen…
- Ant, fire Also called thief ants, a scourge, these red or yellow ants of small-to-medium size, originally from South…
- Immunization, MMR The standard vaccine given to prevent measles, mumps and rubella (German measles). The MMR vaccine is now…
- Microhematuria Hematuria means blood in the urine and microhematuria refers to hematuria that is visible only under a…
- Thrombocytopenia, heparin-induced See TAR syndrome.
- Fanconi anemia Anemia: A genetic disease that affects all of the bone marrow elements, is associated with a great diversity…
- Jaw The bones below the mouth (the mandible) and the bone above the mouth just above the mouth (the maxilla). The…