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).
Astraphobia
An abnormal and persistent fear of thunderstorms. Sufferers experience anxiety even when they realize the risk of harm is very small. Consequently, when indoors they might seek shelter under a bed, in a closet or in a basement. They…
Read the definitionRandom terms
Show more- Cell, alpha (pancreatic) A type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the…
- Let down reflex An involuntary reflex during breastfeeding which causes the milk to flow freely
- STAT Medical term used to imply urgent or rush. It may appear in lower case letters as stat or in capital letters…
- Psychiatric trauma An experience that is emotionally painful, distressful, or shocking and which may result in lasting mental…
- CLL Chronic lymphocytic leukemia. See: Leukemia, chronic lymphocytic
- Alpha-synuclein One in a family of structurally related proteins that are prominently expressed in the central nervous…
- Casals-Ariet, Jordi (1911-2004) Spanish-born American physician and viral epidemiologist who discovered Lassa virus in 1969. Dr…
- Clark level of invasion A method for determining the prognosis (outlook) with melanoma. The method was devised by the pathologist…
- Melanoma, malignant See: Melanoma
- Hypnic headache A relatively rare form of headache disorder in which the patient is awakened from sleep nightly, usually…
- Department of Health and Human Services The United States government's principal agency for 'protecting the health of all Americans and providing…
- Hip, developmental dislocation of the (DDH) The abnormal formation of the hip joint in which the ball at the top of the thighbone (the femoral head) is…