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).
Selective mutism
An inability to speak in certain situations. See also apraxia, autism, mutism.
Read the definitionRandom terms
Show more- Syndrome, Rendu-Osler-Weber See: Hereditary hemorrhagic telangiectasia
- Longitudinal The word come from the Latin longitudo meaning length. Hence, longitudinal means along the length, running…
- Rib, vertebral One of the last two ribs. A rib is said to be 'vertebral' if it does not attach to the sternum (the breast…
- Hospice care Care designed to give supportive care to people in the final phase of a terminal illness and focus on comfort…
- Acute membranous gingivitis This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Medicine, Chinese See: Traditional Chinese medicine
- Left heart hypoplasia syndrome A form of congenital heart disease in which the whole left half of the heart (including the aorta, aortic…
- Palate, cleft An opening in the roof of the mouth (the palate) due to a failure of the palatal shelves to come fully…
- Red cell distribution width A measurement of the variability of red blood cell size. Higher numbers indicate greater variation in size…
- Tobacco smoke, environmental Abbreviated ETS. See: ETS.
- Nerve, fourth cranial The fourth cranial nerve, the trochlear nerve, is the nerve supply to the superior oblique muscle of the eye…
- Spirochete A microscopic bacterial organism in the Spirochaeta family. Spirochetes have a worm-like, spiral-shaped form…