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.
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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).
Cold sore
A small sore situated on the face or in the mouth that causes pain, burning, or itching before bursting and crusting over. The favorite locations are on the lips, chin or cheeks and in the nostrils. Less frequented sites are the gums or…
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Show more- Osteogenesis imperfecta Brittle bone disease. Osteogenesis imperfecta (OI) is not one but a group of genetic diseases, all of which…
- Laser surgery A type of surgery that uses the cutting power of a laser beam to make bloodless cuts in tissue or remove a…
- Splenomegaly Enlargement of the spleen.
- Alopecia, traumatic Hair loss caused by injury to the scalp. Traumatic alopecia is usually caused by grooming methods that…
- Hepatocarcinoma Carcinoma (a form of cancer) that originates in liver cells. Hepatocarcinoma is better known today as…
- Human metapneumovirus A novel virus that is a ubiquitous and important agent of respiratory disease. The human metapneumovirus…
- Duodenum The first part of the small intestine. The duodenum extends from the pylorus at the bottom of the stomach to…
- ASD Acronym for atrial septal defect.
- Islet cell cancer A rare but highly treatable type of pancreatic cancer that begins in the cells of the pancreas that produce…
- Medicine, geriatric The branch of medicine concerned with the diagnosis, treatment and prevention of disease in older people and…
- Orphan drug 1. Oral rehydration salts. 2. Oral rehydration solution. 3. Orthopaedic Research Society.
- Carotid artery A key artery located in the front of the neck though which blood from the heart goes to the brain. There are…