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).
Quiescence
Inactivity, quietness. In cells, quiescence is the state of not dividing. In neurons (nerve cells), quiescence is the state of not firing. The word comes from the Latin 'quiescere', to become quiet. Quiescence suggests a temporary…
Read the definitionRandom terms
Show more- Ovarian teratoma Also called a dermoid cyst of the ovary, this is a bizarre tumor, usually benign, in the ovary that typically…
- MMWR The Morbidity and Mortality Weekly Report, a weekly scientific publication prepared and published by the CDC…
- Arterial tension The pressure of the blood within an artery, the arterial pressure. Also called the intra-arterial pressure
- FMRI Functional magnetic resonance imaging
- Abuse, psychological child Also known as emotional child abuse, this is the third most frequently reported form of child abuse (after…
- UBT Urea breath test
- Nerve, first cranial The first cranial nerve is the olfactory nerve, the nerve that carries impulses for the sense of smell from…
- Anonymize Or anonymise. To remove the name. To make nameless. 'Data for more than 60 variables were extracted from…
- Oral rehydration salts ORS. A solution of glucose-based salt solution used in oral rehydration therapy. WHO and UNICEF recommend a…
- Primary amebic meningoencephalitis A rare, but fatal infection of the central nervous system caused by Naegleria fowleri, an ameba that inhabits…
- BWS See: Beckwith-Wiedemann syndrome
- Snake stick A stick or rod with a snake curled around it is the staff (the rod) of Aesculapius (also called Asklepios)…