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).
Restriction site
A sequence in DNA that can be recognized and cut by a specific restriction enzyme.
Read the definitionRandom terms
Show more- Anomaly, congenital Anomaly, congenital: A birth defect. A malformation that occurs before birth and is present at birth
- Sting, jellyfish The injection into the skin of venom from the stinging unit (the nematocyst) of the jellyfish. The jellyfish…
- Transient global amnesia A passing episode of short-term memory loss without other signs or symptoms of neurological impairment. In…
- Frenum A restraining structure. Frenum is Latin for a bridle. A small frenum is a frenulum
- PCP Pneumocystis carinii pneumonia. A parasitic infection of the lungs that is particularly common and…
- Focused H and P In common doctor language, H and P stand for the history (H) and physical (P), namely the medical history and…
- Syndrome, TAR TAR stands for Thrombocytopenia (low blood platelets) and Aplasia (absence) of the Radius (the long bone on…
- Neprilysin See: Metallomembrane endopeptidase
- Syndrome, Conn Overproduction of the hormone aldosterone (pronounced al-do-ster-one) by a tumor that contains tissue…
- Oral glucose tolerance test A test to determine the body's ability to handle glucose . In the test, a person fasts overnight (at least 8…
- Syndrome, phantom limb See Phantom limb syndrome
- Philippine hemorrhagic fever A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…