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).
Pressure sore
A sore area of skin that develops when the blood supply to it is cut off for more than two to three hours due to pressure on it and lack of movement. As the skin dies, the pressure sore first appears as a red painful area, which in time…
Read the definitionRandom terms
Show more- QRS complex The deflections in the tracing of the electrocardiogram (ECG or EKG), comprising the Q, R, and S waves, that…
- Ear cleaning (yourself) Never put anything smaller than your elbow in your ear! Wax is not formed in the deep part of the ear canal…
- BRCA breast cancer gene Breast cancer gene: One of several genetic mutations linked to breast cancer and ovarian cancer. There is now…
- Vaccination, DT DT (diphtheria and tetanus) vaccine does not protect from pertussis and is usually reserved for individuals…
- Cyt- Prefix used in place of cyto- before a vowel. See: Cyto-
- Humorism In medicine, humor refers to a fluid (or semifluid) substance. Thus, the aqueous humor is the fluid normally…
- Drain, Penrose See: Penrose drain
- ASAT Anemia, sideroblastic, and spinocerebellar ataxia. See:href='/script/main/art.asp?articlekey=34082'>Pagon…
- Pneumocystis Pneumocystis jiroveci (previously classified as Pneumocystis carinii), the fungus that causes pneumocystis…
- MELAS syndrome MELAS syndrome: MELAS is the acronym for Mitochondrial Encephalopathy, Lactic Acidosis, and Stroke-like…
- Typhus, louse-borne See: Typhus, epidemic
- Phobia An unreasonable sort of fear that can cause avoidance and panic. Phobias are a relatively common type of…