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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
MCAT
The Medical College Admissions Test, a test that is required of all applicants to medical school in the U.S. and Canada. The MCAT is 'a standardized test used to assess applicants' science knowledge, reasoning, and communication and…
Read the definitionRandom terms
Show more- Sapphism Female homosexuality. Named after the poet Sappho who lived on the Greek island of Lesbos (circa 600 BC). She…
- Progressive dementia with cerebellar ataxia See: Gerstmann-Straussler-Scheinker syndrome
- Newborn screening Tests of newborns to screen for serious treatable diseases most of which are genetic. The newborn screening…
- Familial Parkinson disease type 4 A familial form of Parkinson disease inherited in an autosomal dominant manner due to a gene on chromosome…
- Economy class syndrome The formation of blood clots in veins deep within the legs -- deep vein thrombosis -- occurring during (or…
- Macrocytic 1. Any abnormally large cell. The opposite of macrocytic is microcytic (an abnormally small cell). 2. An…
- Oncogene ErbB See: EGFR
- Daughter 1. A female offspring. 2. A female adopted child. 3. A product of radioactive decay. 4. A cell resulting from…
- Myeloid leukemia, acute Myeloid leukemia, acute: A quickly progressive malignant disease in which there are too many immature…
- Brown fat Brown adipose tissue, a rapid source of energy for infants in whom it forms about 5% of their body weight. It…
- Gametic selection Preferential selection of gametes (germ cells -- sperm or eggs). Gametic selection is a mechanism of…
- Coefficient of inbreeding A measure of how close two people are genetically to each another. The coefficient of inbreeding, symbolized…