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).
Progeria
A rare genetic disorder that causes children to age prematurely. The classic type of childhood progeria is Hutchinson-Gilford syndrome, which is commonly referred to as progeria. It is characterized by dwarfism, baldness, pinched nose…
Read the definitionRandom terms
Show more- Zhitai One of the three major preparations of red yeast rice, a tradition Chinese medicine now used to lower…
- Vaccine, Salk Vaccine against poliomyelitis named for Dr. Jonas Salk who developed and introduced it in 1955. It was the…
- Mesothelioma Mesothelioma: A malignant tumor of the mesothelium. The mesothelium is the thin lining on the surface of the…
- Watermelon stomach Parallel red sores in the stomach that look like the stripes on a watermelon. Frequently seen with cirrhosis…
- Inotropic Affecting the force of muscle contraction. An inotropic heart drug is one that affects the force with which…
- Percutaneous transhepatic cholangiography PTCA. The use of a balloon-tipped catheter to enlarge a narrowed artery.
- Lymphoproliferative disorders Malignant diseases of the lymphoid cells and cells from the reticuloendothelial system (which take up and…
- Bell 1. Bell's palsy.2. Bell, Charles
- Kidney cancer Kidney cancer: Malignancy of the kidney, the organ that is primarily responsible for the removal of metabolic…
- Dyskinesia Difficulty or distortion in performing voluntary movements, as in tic, chorea, spasm, or myoclonus. The term…
- Prophylactic A preventive measure. The word comes from the Greek for 'an advance guard,' an apt term for a measure taken…
- Symphysis pubis The area in the front of the pelvis where the pubic bones (the two bones of the pubis) meet