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).
Angina pectoris
Chest pain that is typically severe and crushing with a feeling just behind the breastbone (the sternum) of pressure and suffocation, due to an inadequate supply of oxygen to the heart muscle. The term 'angina pectoris' comes from the…
Read the definitionRandom terms
Show more- Doula 1. A non-medical assistant in childbirth. A doula is not the father but is usually a woman who is experienced…
- Cide A type of bacteria that is the most common agent of gas gangrene and can also cause food poisoning as well as…
- Sclerencephaly A general term for scarring and shrinkage of the substance of the brain. Sclerencephaly occurs because of…
- Stanolone A semisynthetic analog of dihydrotestosterone
- Benign intracranial hypertension Increased pressure within the brain in the absence of a tumor. Symptoms may include headache, nausea…
- FDA The Food and Drug Administration, an agency within the U.S. Public Health Service, which is a part of the…
- Leukemia, acute myeloid Leukemia, acute myeloid: A quickly progressive malignant disease in which there are too many immature…
- Minot-Von Willebrand disease See: Von Willebrand disease
- LHRH agonist A compound that is similar to LHRH (luteinizing hormone-releasing hormone) in structure and is able to act…
- Oxygenate To add oxygen to any chemical or physical system, including the human body. Oxygenate can also refer to the…
- Slow-wave sleep Sleep: Stage 3 and 4 non-rapid eye movement (non-REM) sleep. Slow-wave sleep is characterized by brain wave…
- Oxytocin A hormone made in the brain that plays a role in childbirth and lactation by causing muscles to contract in…