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).
Dwarfism, achondroplastic
A genetic disorder of bone growth, achondroplasia is the most common cause of short stature with disproportionately short limbs -- dwarfism with short arms and legs. There is a typically large head with prominence of the forehead (frontal…
Read the definitionRandom terms
Show more- SCN (severe congenital neutropenia) Neutropenia): An condition characterized by a lack of neutrophils, a type of white blood cell that is…
- Spina bifida cystica A bony defect in the vertebral column that causes a cleft in that column. The meningeal membranes that cover…
- In vitro fertilization In the living organism, as opposed to in vitro (in the laboratory).
- Gastric outlet obstruction Any disease that mechanically impedes gastric emptying, the normal emptying of the stomach. There is…
- Vitamin B -- nicotinic acid Deficiency of nicotinic acid (also known as niacin), one of the B-complex vitamins, causes pellagra. Pellagra…
- Vaccination, measles See Immunization, MMR.
- Epistaxis Medical term for nosebleed. The nose is a part of the body that is very rich in blood vessels (vascular) and…
- Familial advanced sleep-phase syndrome (FASPS) An inherited abnormal sleep pattern in which the individual is a 'morning lark' and consistently goes to…
- Somnolence Sleepiness, the state of feeling drowsy, ready to fall asleep. A person experiencing somnolence is somnolent…
- Midlife crisis A period of personal emotional turmoil and coping challenges that some people encounter when they reach…
- Opiate A medication or illegal drug that is either derived from the opium poppy, or that mimics the effect of an…
- Soft sore See: Chancroid