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).
Defensive medicine
Medical practices designed to avert the future possibility of malpractice suits. In defensive medicine, responses are undertaken primarily to avoid liability rather than to benefit the patient. Doctors may order tests, procedures, or…
Read the definitionRandom terms
Show more- Multidetector-row computed tomography See: Multidetector computed tomography
- Glisson's capsule The capsule of the liver. A layer of connective tissue surrounding the liver and ensheathing the hepatic…
- Mycobacterium ulcerans The bacterium that causes Buruli ulcer. Mycobacterium ulcerans is a member of the family of bacteria that…
- Prescription A physician's order for the preparation and administration of a drug or device for a patient. A prescription…
- LL 1. Lower lid (of the eye). 2. Lower limit. The recommended LL for potassium intake is 4.7 grams per day for…
- Barium 1. A metallic element belonging to the alkaline earths with an atomic number of 56 and an atomic weight of…
- Systole The time period when the heart is contracting. The period specifically during which the left ventricle of the…
- Onycho- (prefix) Pertaining to the nails. Examples of medical terms involving 'onycho-' include onychodystrophy (abnormal…
- Hypoplastic anemia-triphalangeal thumbs E-Smith type: See: Aase-Smith syndrome II
- Enate 1. As a noun, a relative on the mother's side. 2. As an adjective, related on the mother's side. As opposed…
- Portable generator safety Safety, an essential matter in using a portable residential or recreational generator. Portable residential…
- Hereditary spherocytosis A genetic disorder of the red blood cell membrane clinically characterized by anemia, jaundice (yellowing)…