MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Carcinoma, hepatocellular
A tumor in which the cancer starts during adulthood in cells in the liver. Also called adult primary liver cancer. Primary liver cancer is different from cancer that has metastasized (spread) from another place in the body to the liver…
Read the definitionRandom terms
Show more- Wasp sting A sting from a wasp, like that of other large stinging insects such as bees, hornets and yellow jackets…
- Thiamine Vitamin B1. Thiamine (vitamin B1) acts as a coenzyme in the metabolism of the body. Deficiency of thiamine…
- HHT Abbreviation for the disease called hereditary hemorrhagic telangiectasia. See: Hereditary hemorrhagic…
- Score, Gleason A grading system for prostate carcinoma. See Gleason score
- HMS1 Homosexuality 1. An alleged gene for human male homosexuality. See: Gay gene
- Zooparasite A living parasite, such as a worm or protozoa
- Iatrapistic A lack of faith in doctors. Entirely from the Greek: 'iatr-' indicating a relationship to a physician or…
- Alcohol abuse Use of alcoholic beverages to excess, either on individual occasions ('binge drinking') or as a regular…
- Disease, sickle cell A genetic blood disease due to the presence of an abnormal form of hemoglobin, namely hemoglobin S…
- Pancreatic islet cell carcinoma See: Islet cell cancer
- C7 (cervical vertebra) C7 is the symbol for the 7th cervical (neck) vertebral bone (C7) which is sometimes called the prominent…
- Vaccination, mumps See Immunization, MMR