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).
Bio-
Prefix indicating living plants or creatures, as in biology, the study of living organisms
Read the definitionRandom terms
Show more- Aortic aneurysm An outpouching (a local widening) of the largest artery in the body, the aorta, involving that vessel in its…
- Calcaneus The calcaneus is the heel bone. It is also called the os calcis. The calcaneus is a more or less rectangular…
- Flow cytometry Analysis of biological material by detection of the light-absorbing or fluorescing properties of cells or…
- Defect, ventricular septal (VSD) A hole in the septum (the wall) between the lower chambers of the heart (the ventricles). Ventricular Septal…
- Hydrocephalus, acquired Hydrocephalus due to a postnatal cause, something that happened sometime after birth
- Metabolism, inborn error of A heritable disorder of the biochemistry of the4 body. Examples of inborn errors of metabolism include…
- Xerostomia Dry mouth. The condition of not having enough saliva to keep the mouth wet due to inadequate function of the…
- Neurogenesis The process by which new nerve cells are generated. In neurogenesis, there is active production of new…
- Peutz-Jeghers syndrome A cancer genetic disorder characterized by freckle-like spots on the lips, mouth and fingers and polyps in…
- Sandfly fever An acute mild viral disease characterized by fever, malaise, eye pain, and headache occurring mainly during…
- Prostatic hypertrophy, benign Inflammation of the prostate gland, a very common health concern, accounting for up to 25% of all medical…
- Heberden node A small fixed bump on the finger, usually at the last joint of the finger, Heberden's node is a calcified…