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).
Epistaxis
Medical term for nosebleed. The nose is a part of the body that is very rich in blood vessels (vascular) and is situated in a vulnerable position on the face. As a result, any trauma to the face can cause bleeding which may be profuse…
Read the definitionRandom terms
Show more- Sentinel lymph node The first lymph node ('gland') to receive lymphatic drainage from a tumor. Which lymph node is the sentinel…
- Sequence, conserved A base sequence in a DNA molecule (or an amino acid sequence in a protein) that has remained essentially…
- Braxton Hicks contractions Irregular contractions of the womb (the uterus) occurring towards the middle of pregnancy in the first…
- Midnight disease See: Hypergraphia
- Urinalysis Urinalysis: A test that determines the content of the urine. Because urine removes toxins and excess liquids…
- Stein-Leventhal syndrome A hormonal problem that causes women to have various symptoms, including irregular or no menstruation, acne…
- Social phobia Excessive fear of embarrassment in social situations that is extremely intrusive and can have debilitating…
- Allograft The transplant of an organ or tissue from one individual to another of the same species with a different…
- Antipyretic Something that reduces fever or quells it. There are 3 classes of antipyretic medications that are sold OTC…
- Introitus, facial canal In anatomy, an introitus is an entrance, one that goes into a canal or hollow organ. The introitus of the…
- Rash, chickenpox Rash, chickenpox: Chickenpox is characterized by a rash, often the first sign of the disease. The rash of…
- Tetralogy of Fallot A combination of four heart defects that are present together at birth, accounting for about 10% of all…