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).
SGA
Small for gestational age. SGA infants weigh 2500 g or less at birth and are considered to have intrauterine growth retardation (IUGR), given their gestational age. By contrast, an infant may weighs 2500 g or less simply because of…
Read the definitionRandom terms
Show more- Parasitic worm A worm classified as a parasite. (A parasite is a disease-causing organism that lives on or in a human or…
- Magnesia Named after a town in present day Turkey where an ore containing magnesium carbonate was mined. Milk of…
- Stress Stress: Forces from the outside world impinging on the individual. Stress is a normal part of life that can…
- Pharmacology The study of drugs, their sources, their nature, and their properties. Pharmacology is the study of the…
- Lauterbur See: Lauterbur, Paul C.
- Thimerosal A mercury-containing preservative used in some vaccines and other products since the 1930's. No harmful…
- Weight loss Weight loss is a decrease in body weight resulting from either voluntary (diet, exercise) or involuntary…
- Urothelium The lining of the ureters, urinary bladder, and urethra. NTER>
- Fracture, compound A fracture in which the bone is sticking through the skin. Also called an open fracture. NTER> A fracture is…
- Pulmonary barotrauma Damage to the lung from rapid or excessive pressure changes, as may occur when a patient is on a ventilator…
- Cataract, supranuclear A cataract just above the center (the nucleus) of the lens. See: Cataract
- Endocannabinoid A marijuana-like substance. 'Marijuana-like substances (endocannabinoids)... act at specific receptors on the…