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).
Heart failure
Heart failure: Inability of the heart to keep up with the demands on it and, specifically, failure of the heart to pump blood with normal efficiency. When this occurs, the heart is unable to provide adequate blood flow to other organs such…
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Show more- Sign, Kernig A clinical hallmark of meningitis, inflammation of the meninges, the membranes covering the brain and spinal…
- Hypotension Any blood pressure that is below the normal expected for an individual in a given environment. Hypotension is…
- Exaggerated startle disease A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction)…
- Esophagus The tube that connects the pharynx (throat) with the stomach. The esophagus lies between the trachea…
- Angiogram An x-ray of blood vessels which can be seen because the patient receives an injection of dye to outline the…
- Minipill A form of oral contraceptive taken daily, like combined oral contraceptives (the 'pill'), but containing only…
- Schizotypal personality disorder A type of personality characterized by unusual patterns of speech and behavior and by social withdrawal. See…
- Autologous blood donation Giving blood to yourself. For example, patients scheduled for non-emergency surgery may be eligible to donate…
- Semen DNA analysis Surface EMG.
- Cubital tunnel syndrome A form of mononeuropathy due to compression or other injury of the ulnar nerve at the elbow. Symptoms of the…
- Talus The ankle bone. The ankle joint is formed by the talus and the bottom of the tibia and fibula that rest upon…
- HTLV-II The human T-lymphotropic virus type II, which is closely related to HTLV-I