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).
Human herpesvirus 1 (HHV-1)
A herpes virus that causes cold sores and fever blisters in and around the mouth. Here is a depiction of a typical fever blister caused by HHV-1: NTER> In rare cases, as when the immune system is severely compromised, this virus can cause…
Read the definitionRandom terms
Show more- Fracture Fracture: A break in bone or cartilage. Although usually the result of trauma, a fracture can be caused by an…
- Baskerville effect A fatal heart attack triggered by extreme psychological stress. The effect is named after Charles…
- Bone marrow biopsy The removal of a sample of bone marrow and a small amount of bone (usually from the hip) through a large…
- Infant mortality rate The number of children dying under a year of age divided by the number of live births that year. The infant…
- Syndrome, hypoplastic left heart A form of congenital heart disease in which the whole left half of the heart (including the aorta , aortic…
- Gland, pituitary The main endocrine gland. It is a small structure in the head and is called the master gland because it…
- Bioelectric impedance analysis A seemingly simple method for determining the lean body mass. Abbreviated BIA. There are two methods of the…
- Myc- The plural of mycelium.
- Cranial nerve XII The twelfth cranial nerve is the hypoglossal nerve. The twelve cranial nerves, the hypoglossal nerve…
- Membrane A very thin layer of tissue that covers a surface.
- Gigantism Excessive growth both in height and specific body parts. Gigantism with extreme height may be associated with…
- Chest X-ray Chest X-ray: Commonly used to detect abnormalities in the lungs, but can also detect abnormalities in the…