MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Blood group
An inherited feature on the surface of the red blood cells. A series of related blood types constitute a blood group system such as the Rh or the ABO system. The frequencies of the ABO and Rh blood types vary from population to population…
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Show more- HIB immunization This immunization is designed to prevent diseases caused by Haemophilus influenzae type B (HIB), a bacteria…
- Basal nuclei A region located at the base of the brain composed of 4 clusters of neurons, or nerve cells. This area of the…
- Maternal serum alpha-fetoprotein (MSAFP) The presence of AFP, a plasma protein normally produced by the fetus, in the mother's blood. MSAFP serves as…
- Curcumin A mixture of compounds derived from the curry spice turmeric. Curcumin is sold in the US as a herbal…
- Membranous nephropathy A frequent type of primary glomerular disease -- a disease affecting the glomerulus, the tiny ball-shaped…
- Purpura, anaphylactoid See: Schonlein-Henoch purpura
- Electron beam computerized tomography (EBCT) A new (and controversial) noninvasive test for the detection of coronary artery disease (CAD). EBCT, or…
- Nucleocapsid The genome + the protein coat of a virus. The nucleic acid (RNA or DNA) of the virus is its genome. The…
- Menometrorrhagia Excessive uterine bleeding, both at the usual time of menstrual periods and at other irregular intervals…
- Ileostomy An opening into the ileum, part of the small intestine, from the outside of the body. An ileostomy provides a…
- Vaginal introitus The vaginal opening is called the introitus of the vagina. The Latin word 'introitus' comes from 'intro'…
- Epilation Removal of body hair, including the hair root, by means of electrical device, tweezer, or wax. Epilation may…