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).
Acne
Our Acne Main Article provides a comprehensive look at the who, what, when and how of Acne Acne: Localized skin inflammation as a result of overactivity of the oil glands at the base of hair follicles. Acne happens when oil (sebaceous)…
Read the definitionRandom terms
Show more- Nerve A bundle of fibers that uses chemical and electrical signals to transmit sensory and motor information from…
- Epidermolysis bullosa One in a group of blistering skin conditions. The skin is so fragile in people with epidermolysis bullosa…
- OB Abbreviation for obstetrician or for obstetrics, the art and science of managing pregnancy, labor and the…
- Dicentric chromosome An abnormal chromosome with two centromeres rather than the normal one. Every normal chromosome has one…
- Minor anomaly An unusual anatomic feature that is of no serious medical or cosmetic consequence to the patient. A minor…
- Irradiation, food See: Food irradiation
- Pachyderma Thick skin, like that of a pachyderm (an elephant, rhinoceros, or hippopotamus). From the Greek pachydermos…
- Adiponectin A protein hormone produced and secreted exclusively by adipocytes (fat cells) that regulates the metabolism…
- Virus, respiratory syncytial A virus that can grow in the cells of a species foreign to the normal host species, a species different from…
- Sacroiliac joint pain : See sacroiliac joint dysfunction.
- Myopathy, mitochondrial Nearsightedness, the ability to see close objects more clearly than distant objects. Myopia can be caused by…
- Arterial tension The pressure of the blood within an artery, the arterial pressure. Also called the intra-arterial pressure