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).
Hallucination
A profound distortion in a person's perception of reality, typically accompanied by a powerful sense of reality. An hallucination may be a sensory experience in which a person can see, hear, smell, taste, or feel something that is not…
Read the definitionRandom terms
Show more- Static posture Any posture that is held for a long time. A static posture may result in fatigue and even injury over time
- Vesicular Pertaining to the presence of one or more vesicles. A vesicle is a small blister. A vesicular rash features…
- GB virus C A virus first identified in 1995 that is genetically related to the hepatitis C virus but which does not…
- SPECT scan Single Photon Emission Computed Tomography, a nuclear medicine procedure in which a gamma camera rotates…
- Tuberous sclerosis A genetic disorder characterized by abnormalities of the skin, brain, kidney, and heart. The skin…
- Glossopharyngeal nerve The glossopharyngeal nerve is the ninth cranial nerve. The 12 cranial nerves, the glossopharyngeal nerve…
- Dactyl-, -dactyl Prefix or suffix denoting involvement of the digits (fingers or toes)
- Osteosarcoma A cancer of the bone that occurs predominantly in adolescents and young adults. It accounts for 5 percent of…
- Electrophrenic respiration See: Diaphragm pacing
- Cycle, menstrual See: Menstrual cycle
- Generic 1. The chemical name of a drug. 2. A term referring to the chemical makeup of a drug rather than to the…
- Polydipsia Excessive thirst all the time. Polydipsia occurs, for example, in untreated or poorly controlled diabetes…