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).
Advance directives
These directives pertain to treatment preferences and the designation of a surrogate decision-maker in the event that a person should become unable to make medical decisions on their own behalf. Advance directives generally fall into three…
Read the definitionRandom terms
Show more- Disease-free survival See: Multiple sclerosis.
- PROC Protein C
- CT scan CT scan: Computerized tomography scan. Pictures of structures within the body created by a computer that…
- Antivenin Antibodies created in the blood of a horse or sheep when the animal is injected with snake venom. Antivenin…
- Physician assisted suicide See: Physician-assisted suicide
- Purpura, Henoch-Schonlein See: Schönlein-Henoch purpura.
- Anterior cruciate ligament A ligament in the knee that crosses from the underside of the femur (the thigh bone) to the top of the tibia…
- Syndrome, incontinentia pigmenti A genetic disease that begins soon after birth with the development of blisters on the trunk and limbs. These…
- Abortifacient A substance that causes pregnancy to end prematurely and causes an abortion
- Parathyroids, hypoplasia of the thymus and See: DiGeorge syndrome
- Human lymphotropic virus III Another name for the human immunodeficiency virus (HIV), the cause of AIDS.
- Hiatus An opening, as in the diaphragm. When there is an unusually wide opening in the diaphragm, there can be a…