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).
Helix, alpha
See: Alpha helix
Read the definitionRandom terms
Show more- Anomaly A deviation from the usual, something different, peculiar, or abnormal. A congenital anomaly is something…
- Mammary gland One of the two half-moon-shaped glands on either side of the adult female chest, which with fatty tissue and…
- Steppage gait A manner of walking in which the advancing foot is lifted high so that the toes clear the ground. Steppage…
- Vitiligo Vitiligo: Pronounced vit-uh-LIE- go. A condition in which the skin turns white due to the loss of…
- Small for gestational age (SGA) SGA infants weigh 2500 g or less at birth and are considered to have intrauterine growth retardation (IUGR)…
- Coke Street name for cocaine, the most potent stimulant of natural origin, a bitter addictive anesthetic (pain…
- Diagnostic mammogram An X-ray of the breast done to evaluate: > >Abnormalities seen or suspected on a prior screening mammogram…
- Hallux What the ancient Romans called the big toe. Since hallux was a good enough word for the big toe among the…
- Soft tissue sarcoma A malignant tumor that begins in the muscle, fat, fibrous tissue, blood vessels, or other 'soft' supporting…
- BSL-1 Biosafety level 1. The lowest level of biosafety, a level that applies to agents that do not ordinarily cause…
- Transplant, heart See: Heart transplant
- Fanconi anemia Anemia: A genetic disease that affects all of the bone marrow elements, is associated with a great diversity…