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).
Essential oil
An oil derived from a natural substance, usually either for its healing properties or as a perfume. Some pharmaceuticals, and many over-the-counter or 'holistic' remedies, are based on or contain essential oils. Examples include products…
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Show more- Endoscopy Endoscopy: Endoscopy is a broad term used to described examining the inside of the body using an lighted…
- Echocardiography, stress Stress: A supplement to the routine exercise cardiac stress test. During stress echocardiography, the sound…
- Urination, burning See: Dysuria
- BP1 Beta protein 1, a protein encoded by a member of the homeobox gene family, a group of genes important to…
- Dystocia, cervical See: Cervical dystocia
- Deficiency, fatty alcohol: NAD+ oxidoreductase Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease usually characterized by a…
- Low back pain Low back pain: Pain in the lower back area that can relate to problems with the lumbar spine, the discs…
- Abdominal aorta The abdominal aorta is the final section of the aorta, the largest artery in the body. It is a continuation…
- Valve, tricuspid One of the four heart valves, the tricuspid valve is the first one that blood encounters as it enters the…
- National Institute of General Medical Sciences MS): One of the National Institutes of Health in the U.S., NIGMS's mission is to 'support basic biomedical…
- Anderson-Fabry disease See: Fabry disease
- Arrhythmias, ventricular Abnormal rapid heart rhythms (arrhythmias) that originate in the lower chambers of the heart (the…