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.
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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).
Vaccination, hepatitis A
See: Hepatitis A immunization
Read the definitionRandom terms
Show more- Healthy 1. Enjoying good health, as she is healthy. 2. Evidencing good health, as her skin is healthy. 3. Conducive…
- Chondrodystrophic myotonia See: Schwartz-Jampel syndrome
- Phosphatase, alkaline An enzyme made in the liver, bone, and the placenta and normally present in high concentrations in growing…
- Sentinel-lymph-node biopsy See: Sentinel lymph node biopsy
- Static posture Any posture that is held for a long time. A static posture may result in fatigue and even injury over time
- Sunscreen A substance that blocks the effect of the sun's harmful rays. Using lotions that contain sunscreens can…
- Brachial vein A vein that accompanies the brachial artery between the shoulder and the elbow. The route of the brachial…
- Trans- (prefix) From the Latin meaning 'across, over, or beyond.' Medical terms containing 'trans- ' as a prefix include…
- Thrombin A key clot promoter, thrombin is an enzyme that presides over the conversion of a substance called fibrinogen…
- Dissect To cut apart or separate tissue as, for example, for anatomical study or in surgery. Also, an artery is said…
- Generalized tonic-clonic seizure See: Grand mal
- CEA assay Carcinoembryonic antigen (CEA) is a protein found in many types of cells but associated with tumors and the…