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).
National Academies
Collectively, the four National Academies of the United States -- the National Academy of Sciences, the National Academy of Engineering, the Institute of Medicine, and the National Research Council. The National Academy of Sciences was…
Read the definitionRandom terms
Show more- Oophorectomy The removal of one or both ovaries by surgery. Also known as ovariectomy.
- Meiotic nondisjunction Failure of two members of a chromosome pair to separate (disjoin) during meiosis so that both go to one…
- B cell A type of white blood cell and, specifically, a type of lymphocyte. Many B cells mature into what are called…
- Cephalic disorder A congenital condition that stems from damage to, or abnormal development of, the budding nervous system…
- Idiocy, amaurotic familial An outdated term for Tay-Sachs disease (TSD) which is concisely defined by OMIM (Online Mendelian Inheritance…
- Repair, DNA The body has a series of special enzymes that repair mutations (changes) in the DNA and restore the DNA to…
- Agent, antifungal A drug used to treat fungal infections. Examples of antifungal drugs include miconazole (MONISTAT) and…
- Gyneco- Combining form pertaining to women, as in gynecoid. From the Greek gyno, gynaikos meaning woman
- Shock lung See: ARDS
- Axelrod See: Axelrod, Julius
- Vaccination, varicella A live attenuated (weakened) viral vaccine that is recommended for people traveling to or living in tropical…
- Dacry- Combining form used before a vowel to denote a relationship to tears. See: Dacryo-