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).
Rash
Rash: Breaking out (eruption) of the skin. Medically, a rash is referred to as an exanthem.
Read the definitionRandom terms
Show more- Human papillomavirus One in a group of four RNA viruses that rank second only to respiratory syncytial virus (RSV) as a common…
- Catalepsy The state of persisting in unusual postures or facial expressions, regardless of outside stimuli, as is seen…
- Pseudomonas cepacia Bacterium now known as Burkholderia cepacia. See: Burkholderia cepacia
- Scleritis Inflammation of the sclera, the tough white outer coat of the eyeball. Classic scleritis affects the sclera…
- Aphagia Inability to eat. From the Greek prefix 'a-' meaning 'not' + 'phago' meaning 'to eat' + not to eat.
- Aneuploidy One or a few chromosomes above or below the normal chromosome number. For example, three number 21…
- Pulmonary edema, high altitude Pulmonary edema, high altitude: Known as HAPE (High Altitude Pulmonary Edema), a condition in which there is…
- Rheumatologist A specialist in the non-surgical treatment of rheumatic illnesses, especially arthritis. Rheumatologists have…
- DNA (figurative) The essence or master blueprint of something. Since DNA became widely known to be the genetic material of…
- Pulse, trip-hammer See: Pulse, water hammer
- Sociogenomics The identification of the genes that influence social behavior, the understanding of the influence of these…
- Coronary angiography The most accurate method (the 'gold standard') for evaluating and defining coronary artery disease (CAD)…