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).
Mesothelioma
Mesothelioma: A malignant tumor of the mesothelium. The mesothelium is the thin lining on the surface of the body cavities and the organs that are contained within them. Most mesotheliomas begin as one or more nodules that progressively…
Read the definitionRandom terms
Show more- Xeroderma Abnormally dry skin. Xeroderma can be caused by a deficiency of vitamin A, systemic illness, overexposure to…
- Ankylosis Stiffness or, more often, fusion of a joint. From the Greek ankylsis, meaning stiffening of a joint
- C6 (cervical vertebra) The sixth cervical (neck) vertebra from the top. The next-to-last of the seven cervical vertebrae
- Polio vaccine, live See: Polio vaccine, oral
- Autoimmunity A misdirected immune response that occurs when the immune system goes awry and attacks the body itself…
- Percutaneous Through the skin, as in a percutaneous biopsy
- US Department of Agriculture A department of the executive branch of the US government founded in 1862 by President Abraham Lincoln -- he…
- Hemorrhagic fever, epidemic A number of diseases characterized by an abrupt onset of high fever and chills, headache, cold and cough, and…
- DiGeorge syndrome A genetic disorder characterized by hypocalcemia, immunodeficiency, and congenital heart disease: >…
- Host 1. The organism from which a parasite obtains its nutrition and/or shelter.2. An organism or cell culture in…
- Paraphilia Paraphilia: One of several complex psychiatric disorders that are manifested as deviant sexual behavior. For…
- DRE (digital rectal exam) An exam done to detect abnormalities that can be felt (palpated) from within the rectum. The doctor inserts a…