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).
Brill-Zinsser disease
Recrudescence of epidemic typhus years after the initial attack. The agent that causes epidemic typhus (Rickettsia prowazekii) remains viable for many years and then when host defenses are down, it is reactivated causing recurrent typhus…
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Show more- Dermoid cyst of the ovary Cyst of the ovary : A bizarre tumor, usually benign, in the ovary that typically contains a diversity of…
- Skin test for allergy Allergy: Teste on the skin to identify the allergy substance (the allergen) that is triggering the allergic…
- Ventricular Pertaining to the ventricles, the lower chambers of the heart, as in ventricular fibrillation and ventricular…
- Fear of insects An abnormal and persistent fear of insects. Sufferers of this fear experience undue anxiety even though they…
- Estrogen/progestin therapy Abbreviated EPT. A combination of the hormones estrogen and progestin. Taken by women, the estrogen in the…
- Aphasia, anomic See Anomia
- Antigenic drift A mechanism for variation by viruses that involves the accumulation of mutations within the antibody-binding…
- Fundus, retinal The interior lining of the eyeball, including the retina (the light-sensitive screen), optic disc (the head…
- Thyroiditis, Hashimoto See: Hashimoto thyroiditis
- Humoralism In medicine, humor refers to a fluid (or semifluid) substance. Thus, the aqueous humor is the fluid normally…
- Elbow The juncture of the long bones in the middle portion of the arm. The bone of the upper arm (humerus) meets…
- Small cell lung cancer A type of lung cancer in which the cells appear small and round under the microscope. Also called oat cell…