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).
Click-murmur syndrome
Mitral valve prolapse (also known as 'Barlow's syndrome'), the most common heart valve abnormality, affecting 5-10% of the world population. Most patients have no symptoms and require no treatment, but some have fatigue and/or…
Read the definitionRandom terms
Show more- Senile 1. Pertaining to old age. 2. Pertaining to the physical decline associated with old age. 3. Pertaining to the…
- Mutation, missense Mutation, missense: A genetic change involving the substitution of one base in the DNA for another which…
- Heredofamilial tremor See: Essential tremor
- Antenatal surgery The surgical treatment of the fetus before birth. Also called prenatal surgery or, most often, fetal surgery…
- Pneumo- Prefix pertaining to breathing, respiration, the lungs, pneumonia, or air
- Meibomian gland One of the little glands in the eyelids that make a lubricant called sebum which they discharge through their…
- Schedules, Gesell Developmental A measure of child development devised by the American child psychologist and pediatrician Arnold Gesell…
- Hemiplegia Paralysis of one side of the body. From hemi- (half) + plege (a blow, stroke)
- Follicular cyst of the ovary A fluid-filled sac in the ovary, the most common type of ovarian cyst. It results from the growth of a…
- Base in DNA A unit of the DNA. There are 4 bases: adenine (A), guanine (G), thymine (T), and cytosine (C). The sequence…
- NF2 (neurofibromatosis type 2) Neurofibromatosis type 2
- Epidural Outside the dura, the outermost, toughest, and most fibrous of the three membranes (meninges) covering the…