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).
Hyperventilation
Overbreathing. This can cause dizziness, lightheadedness, weakness, shortness of breath, a sense of unsteadiness, muscle spasms in the hands and feet, and tingling around the mouth and fingertips. All of these symptoms are the result of…
Read the definitionRandom terms
Show more- Poison ivy Poison ivy: Skin inflammation resulting from contact with oils from the poison ivy vine. Chemicals produced…
- Smallpox The misuse of smallpox as an agent of bioterrorism. Smallpox was eradicated in 1977. Routine vaccinations…
- TORCH screen Screening test for a group of infections known by the acronym TORCH which stands for Toxoplasma gondii; other…
- Radiologist A physician specialized in radiology, the branch of medicine that uses ionizing and nonionizing radiation for…
- Splicing, alternative See Alternative splicing
- Contrast Short for 'contrast media.' Contrast media are X-ray dyes used to provide contrast, for example, between…
- Wordprocessor's cramp A form of focal dystonia caused by wordprocessing that affects the muscles of the hand and, sometimes, the…
- Adhesive capsulitis Constant severe limitation of the range of motion of the shoulder due to scarring around the shoulder joint…
- Virus, Marburg See: Negative-strand RNA virus.
- Gene duplication An extra copy of a gene. Gene duplication is a key mechanism in evolution. Once a gene is duplicated, the…
- Infant, small for gestational age Small for gestational age (SGA) infants weigh 2500 g or less at birth and are considered to have intrauterine…
- Gravid Pregnant