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).
Fever, hemorrhagic
A number of diseases characterized by an abrupt onset of high fever and chills, headache, cold and cough, and pain in the muscles, joints and abdomen with nausea and vomiting followed by bleeding into the kidney and elsewhere. Known also…
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Show more- National Institute on Drug Abuse (NIDA) Drug Abuse (NIDA): One of the National Institutes of Health in the U.S., NIDA's mission is to 'lead the…
- Perichondroma A tumor arising from the perichondrium, the dense membrane composed of fibrous connective tissue that closely…
- Glycosylated hemoglobin Hemoglobin to which glucose is bound. Glycosylated hemoglobin is tested to monitor the long-term control of…
- Autonomic nervous system Part of the nervous system that was once thought to be functionally independent of the brain. The autonomic…
- French paradox A small structure that has a restraining function. For example, the lingual frenulum attaches the tongue to…
- Transaminase, serum glutamic oxaloacetic An enzyme that is normally present in liver and heart cells, and is released into blood when the liver or…
- Avuncular 1. Literally, relating to an uncle. 2. Figuratively, suggestive of an uncle, as in geniality. 3 In medical…
- Numbness (Numb) Coin-shaped patches of irritated skin-most common on the arms, back, buttocks, and lower legs that may be…
- Purulent Pertaining to pus. Containing or composed of pus. The term 'purulent' is often used in regard to drainage…
- Embryonal carcinoma A malignant germ cell tumor that occurs most often in the testes and accounts for about 40% of testicular…
- Thyroid scan Thyroid scan: An image taken of the thyroid gland after radioactive iodine is taken by mouth. The thyroid…
- Esophageal reflux A condition wherein stomach contents regurgitate or back up (reflux) into the esophagus (a long cylindrical…