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).
Malaria
Malaria: An infectious disease caused by protozoan parasites from the Plasmodium family that can be transmitted by the sting of the Anopheles mosquito or by a contaminated needle or transfusion. Falciparum malaria is the most deadly type…
Read the definitionRandom terms
Show more- Ovulation The release of the ripe egg from the ovary. The egg is released when the cavity surrounding it (the follicle)…
- Bronchus One of the large air tubes leading from the trachea to the lungs that convey air to and from the lungs. The…
- Esophageal acid infusion test See: Bernstein test
- Syndrome, phantom limb See Phantom limb syndrome
- Iridectomy, peripheral See Peripheral iridectomy
- Diplopia, binocular Double vision (diplopia) that is only evident when looking through both eyes and disappears if one eye is…
- Refsum disease A genetic disorder affecting the metabolism of the fatty acid phytanic acid. When phytanic acid accumulates…
- Rad Radiation absorbed dose, a measure for a dose of ionizing radiation
- Medication, vasodilator Drugs that act as blood vessel dilator (vasodilators) and open vessels by relaxing their muscular walls). For…
- End-of-life companion See: Doula (the second meaning)
- Alpha interferon A protein produced by the body in response to an infection. There are 3 major classes of interferon -- alpha…
- Homologous chromosomes A pair of chromosomes containing the same gene sequences, each derived from one parent