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).
Hepatocarcinoma
Carcinoma (a form of cancer) that originates in liver cells. Hepatocarcinoma is better known today as hepatocellular carcinoma. See: Hepatocellular carcinoma
Read the definitionRandom terms
Show more- Disease, startle A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction)…
- Coitus Sexual union of a male and a female; also called sexual intercourse. Coitus begins when the male inserts his…
- Willebrand-Juergens disease See: Von Willebrand disease
- External radiation therapy Radiation therapy using a machine located outside the body to aim high-energy rays at a tumor.
- Arborvirus What's in a name? Although 'arbor' sounds as if it should have something to do with trees, it doesn't. It…
- Vitamin E Alpha-tocopherol, an antioxidant vitamin which binds oxygen free radicals that can cause tissue damage…
- Rib, floating One of the last two ribs. A rib is said to be 'floating' if it does not attach to the sternum (the breast…
- Zenker diverticulum The most common type of outpouching in the esophagus, due to increased pressure causing the mucous membrane…
- Amyotrophic lateral sclerosis 8 ALS8. A form of amyotrophic lateral sclerosis (ALS) inherited in an autosomal dominant manner due to mutation…
- Tenosynovitis, De Quervain's 1) The pressure within a vessel, such as blood pressure: the pressure within the blood vessels. For example…
- Midnight children Term applied sometimes to children with xeroderma pigmentosum, a genetic disease with such extraordinary…
- RLQ Abbreviation for the right lower quadrant (quarter) of the abdomen. The RLQ of the abdomen contains the…