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).
PH
A measure of the acidity or alkalinity of a fluid. The pH of any fluid is the measure of its hydrogen ion (H+) concentration relative to that of a given standard solution. The pH may range from 0 to 14, where 0 is most acid, 14 most basic…
Read the definitionRandom terms
Show more- Mortality rate A death rate. There are a number of different types of mortality rates as, for examples, the following: >…
- Spine, slipped See: Spondylolisthesis
- American trypanosomiasis See: Chagas disease
- Anaphylactoid purpura See: Schonlein-Henoch purpura
- Eyes, spots in front of the Also known as 'floaters', blurry spots that drift in front of the eyes but do not block vision. The blur is…
- Diabulimia Patients with type 1 diabetes attempt to control body weight by minimizing insulin dosages. Since insulin…
- Popliteal fossa The hollow behind the knee
- Aneurysm, racemose An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an…
- Antisense drug A medication containing part of the non-coding strand of messenger RNA (mRNA), a key molecule involved in the…
- Ergotism Ergotism could be called a 'cereal killer' for its cause, ergot, comes from cereals such as rye and wheat and…
- Nummular eczema Coin-shaped patches of irritated skin-most common on the arms, back, buttocks, and lower legs that may be…
- Osteopetrosis Thickening of the bones which become abnormally dense due an inherited defect in bone resorption -- the…