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).
Anticonvulsant
A medication used to control (prevent) seizures (convulsions) or stop an ongoing series of seizures. There are a large number of anticonvulsant drugs today including, but not limited to: phenobarbital, phenytoin (Dilantin), carbamazepine…
Read the definitionRandom terms
Show more- CT scan CT scan: Computerized tomography scan. Pictures of structures within the body created by a computer that…
- Round window The membrane separating the inner ear and middle ear. The tympanum (eardrum) separates the middle ear and…
- Radiofrequency ablation Radiofrequency ablation: The use of electrodes to generate heat and destroy abnormal tissue. In…
- Opportunistic infection An infection that occurs because of a weakened immune system. Opportunistic infections are a particular…
- Endovascular aneurysm repair Abbreviated (and most often called) EVAR. See: EVAR
- Laser surgery, YAG The use of a YAG (yttrium-aluminum-garnet) laser to do surgery. One use for a YAG laser in surgery is to…
- Gallbladder absence This condition, also known as agenesis (failure of development) of the gallbladder, occurs in approximately…
- Fruit fly Scientifically known as Drosophila melanogaster. A favorite organism in genetics and biology research since…
- T4 Thyroxine, a thyroid hormone. The number 4 is sometimes in subscript
- Right ventricle The lower right chamber of the heart that receives deoxygenated blood from the right atrium and pumps it…
- Gingivitis, phagedenic This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Iris melanoma See: Intraocular melanoma