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).
Artemisinin
An antimalarial agent extracted from the dry leaves of the Chinese herb Artemsisia annua (qinghaosu or sweet wormwood). This plant is grown each year starting from seed and only yields artemesinin under specific agricultural and…
Read the definitionRandom terms
Show more- Metastasis 1. The process by which cancer spreads from the place at which it first arose as a primary tumor to distant…
- Cyclooxygenase-2 inhibitor See: Cox-2 inhibitor
- Klippel-Feil sequence Short neck, low hairline at the nape of the neck and limited movement of the head. Klippel-Feil sequence is…
- Premature birth A birth that takes place before 37 weeks of gestation have passed. Historically, the definition of…
- Cytogenetic map A genetic term referring to the visual appearance of a chromosome when stained and examined under a…
- Blood sugar Blood glucose. See also: High blood sugar; Low blood sugar
- Vein, external jugular The more superficial of the two jugular veins situated on each side of the neck. The other is the internal…
- RX Medical abbreviation for treatment
- PCOS Polycystic ovary syndrome
- Pool, gene The sum total of genes, with all their variations, possessed by a particular species at a particular time…
- Dilator A device used to stretch or enlarge an opening. Patients with scarring of the muscular tube through which…
- BSL-4 Biosafety level 4. The highest level of biosafety. This level is used for the diagnosis of exotic agents such…