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).
Aortic stenosis
Aortic stenosis: Narrowing (stenosis) of the heart valve between the left ventricle of the heart and the aorta. This narrowing impedes the delivery of blood through the aorta to the body and makes it tough for the heart to carry out this…
Read the definitionRandom terms
Show more- Overgrowth Just what it sounds like: excessive growth
- Foot type The category into which a particular foot falls. Foot types are generally classified into one of three…
- Tumor marker, NSE Neuron-specific enolase (NSE) is a substance that has been detected in patients with certain tumors, namely…
- Intravenous immunoglobulin A sterile solution of concentrated antibodies extracted from healthy people that is given straight into a…
- Contraceptive, pill Commonly called 'the pill,' combined oral contraceptives are the most commonly used form of reversible birth…
- Ankle The ankle joint is complex. It is made up of two joints: the true ankle joint and the subtalar joint: > >The…
- Hereford genome See: Bovine genome
- Clonic seizure A seizure in which there are generalized clonic contractions with the entire body jerking, but without a…
- Cytosine (C) One member of the G-C (guanine-cytosine) pair of bases in DNA
- Sigmoidoscopy Inspection of the rectum and lower colon using a thin lighted tube called a sigmoidoscope. Samples of tissue…
- Snuff Tobacco in the form of a powder that is inhaled into the nose, not smoked. Snuff and chewing tobacco are the…
- Clitoral cancer See: Cancer of the vulva