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).
National Institute on Drug Abuse (NIDA)
Drug Abuse (NIDA): One of the National Institutes of Health in the U.S., NIDA's mission is to 'lead the nation in bringing the power of science to bear on drug abuse and addiction through support and conduct of research across a broad…
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Show more- Selfish operon A hypothesis according to which the clustering of genes and their subsequent organization into operons is…
- Steppage gait A manner of walking in which the advancing foot is lifted high so that the toes clear the ground. Steppage…
- Infectious hepatitis See Hepatitis A
- Systemic Affecting the entire body. A systemic disease such as diabetes can affect the whole body. Systemic…
- Parasympathetic nervous system A part of nervous system that serves to slow the heart rate, increase the intestinal and gland activity, and…
- Shin bone fever Fever: Called shin bone fever because it characteristically causes fever and pain in the legs, this disease…
- Melena Stools or vomit stained black by blood pigment or dark blood products.
- Hypoxemia Abnormally low levels of oxygen in the blood. Hypoxemia may be mild to severe and leads to shortness of…
- Syndrome, fragile X The most common heritable form of mental retardation, occurring in about one in two thousand males and a…
- Buboes The plural of 'bubo'
- Bone cancer Bone cancer: A malignancy in bone. Primary bone cancer, one that begins in bone, is uncommon but it is not…
- Glaucoma treatment (surgery) Surgery can also help fluid escape from the eye and thereby reduce the pressure. However, surgery is now…