MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Stenosis
A narrowing, as in: > >aortic stenosis (narrowing of the aortic valve of the heart), >pulmonary stenosis (narrowing of the pulmonary valve of the heart), >pyloric stenosis (narrowing of the outlet of the stomach), and >spinal stenosis…
Read the definitionRandom terms
Show more- Thrive, failure to (FTT) Refers to a child whose physical growth is significantly less than that of peers. There is no official…
- STL1 Stickler syndrome, type I. See: Stickler syndrome
- Fatigue A condition characterized by a lessened capacity for work and reduced efficiency of accomplishment, usually…
- AMS (atypical measles syndrome) Measles syndrome):An altered expression of measles, AMS begins suddenly with high fever, headache, cough, and…
- Dys- Speech that is characteristically slurred, slow, and difficult to produce (difficult to understand). The…
- Dextro- Prefix taken straight from the Greek meaning "through, throughout, completely" as in diachronic, diagnosis…
- Thigh bone The thigh bone in anatomy is called the 'femur.' Whichever term you care to use -- thigh bone or femur, it is…
- Wezand See: Weasand
- Cholesterol, LDL Cholesterol, LDL: Lipoproteins which are combinations of lipids (fats) and proteins are the form in which…
- Colorblindness The inability to perceive colors in a normal fashion. The most common forms of colorblindness are inherited…
- Sibship The total number of children born to a set of parents. Siblings belong to a sibship
- Bone, frontal See: Frontal bone