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).
Ephelis
A form of freckle. A flat red or light-brown spot on the skin that typically appears during the sunny months and fades in the winter. They are most often found in people with light complexions and in some families, they are an hereditary…
Read the definitionRandom terms
Show more- Opportunistic infection An infection that occurs because of a weakened immune system. Opportunistic infections are a particular…
- DMD (dystonia musculorum deformans) Also called torsion dystonia, this is a rare, generalized dystonia (a state of abnormal -- either excessive…
- Coitus interruptus A method of contraception, also called withdrawal, in which the man withdraws his penis from the vagina…
- AMS (atypical measles syndrome) Measles syndrome):An altered expression of measles, AMS begins suddenly with high fever, headache, cough, and…
- Chronic renal failure Slow progressive loss of kidney function over the span of years, resulting in permanent kidney failure…
- Codon A set of any three adjacent bases in the DNA or RNA. There are 64 different codons of which 61 specify the…
- Lipoprotein A complex of lipid and protein, the way lipids travel in the blood. Cholesterol, a building block of the…
- Plummer's disease Toxic multinodular goiter. Also called Parry's disease
- Visual contrast sensitivity The ability to perceive differences between an object and its background
- Stickler syndrome A relatively common genetic disorder characterized by very flexible (hyperextensible) joints, typical facial…
- Akathisia A movement disorder characterized by a feeling of inner restlessness and a compelling need to be in constant…
- Symptom of pregnancy See: Pregnancy symptom