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).
Motor neuron
A neuron that sends electrical output signals to muscle neurons. Also called a motoneuron
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Show more- Lymphoma, AIDS-related Lymphoid tumors that appear in people with AIDS, presumably due to immune- system impairment. Treatment is…
- Blood pressure, low Any blood pressure that is below the normal expected for an individual in a given environment. Low blood…
- Frankenfood Perjorative term for genetically modified food whether it be derived from genetically engineered plants or…
- Dysuria Painful or difficult urination. This includes burning on urination. Dysuria is most commonly due to bacterial…
- Gap junction An organized collections of protein channels in cell membranes that allows ions and small molecules to pass…
- Irritable bowel syndrome (IBS) Irritable bowel syndrome (IBS): A common gastrointestinal disorder involving an abnormal condition of gut…
- Sixth disease A viral disease of infants and young children with sudden onset of high fever which lasts several days and…
- B. quintana Also called Rochalimaea quintana), Bartonella quintana is an unusual rickettsial organism that can multiply…
- Cardiopulmonary Having to do with both the heart and lungs
- Cancer, small cell lung A type of lung cancer in which the cells appear small and round under the microscope. Also called oat cell…
- Clinical cytogenetics The application of chromosome studies to clinical medicine. For example, clinical cytogenetic testing is done…
- Cocaine The most potent stimulant of natural origin, a bitter addictive anesthetic (pain blocker) which is extracted…