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).
Toxin, anthrax
The toxic substance secreted by the bacterium Bacillus anthracis, the causative agent of the disease anthrax. Anthrax toxin is made up of three proteins. One is protective antigen and two are enzymes that are called edema factor and lethal…
Read the definitionRandom terms
Show more- Tabes dorsalis Slowly progressive degeneration of the spinal cord that occurs in the tertiary (third) phase of syphilis a…
- Otitis media Otitis media: Inflammation of the middle ear characterized by the accumulation of fluid in the middle ear…
- Corporeal Pertaining to the body of an organ or the entire body. The term also serves as a suffix, as in intracorporeal…
- Glycopeptide A short chain of amino acids that has sugar molecules attached to it. A glycoprotein is similar in structure…
- Electrogastrogram Electrogastrogram: An electrogastrogram is a study in which the electrical current generated by the muscle of…
- Dermoid cyst of the ovary Cyst of the ovary : A bizarre tumor, usually benign, in the ovary that typically contains a diversity of…
- Hong Kong flu A pandemic of influenza A (H3N2) in 1968-69. This virus was first detected in Hong Kong in early 1968 and…
- Scorbutus Scurvy. Ascorbic acid was so-named because it prevents scorbutus (scurvy). See also: Paprika
- Carotenoid One of a group of compounds that includes beta-carotene, alpha-carotene, and beta-cryptoxanthin which are…
- Heritable connective tissue disease A disorder due to mutation of a gene responsible for connective tissue, the material that gives tissues form…
- MRC 1. In the US, the Medical Reserve Corps. 2. In the UK and some Commonwealth countries, the Medical Research…
- Extracorporeal (ECMO) A life support system that circulates the blood through an oxygenating system. ECMO is like a…