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).
Poison ivy
Poison ivy: Skin inflammation resulting from contact with oils from the poison ivy vine. Chemicals produced by this vine cause an immune reaction, producing redness, itching, and blistering of the skin. Poison ivy (Rhus radicans) is a…
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Show more- Rheumatoid arthritis Rheumatoid arthritis: An autoimmune disease which causes chronic inflammation of the joints, the tissue…
- Void To urinate. Just as we can void a check and empty it of value, so can we void our bladder and empty it of…
- Heart, artificial A manmade heart. An artificial heart was temporarily implanted in 1969 by Denton Cooley in Houston, Texas…
- Leukemia, acute lymphocytic Abbreviated AML. Also called acute myeloid leukemia or acute nonlymphocytic leukemia (ANLL). A quickly…
- Cancer, ovary Cancer of the egg sac of females: the ovary. The anatomic location of the ovaries: NTER>Most ovarian growths…
- GI tract Short for gastrointestinal tract. See: Gastrointestinal tract
- MAP The commonly used term for Mycobacterium avium subspecies paratuberculosis. MAP is an acronym derived from…
- Hepatitis C PCR See: HCV PCR
- Toll receptor One of a family of receptors that provide a critical link between immune stimulants produced by…
- Tympanometry A test that measures the function of the middle ear. Tympanometry works by varying the pressure within the…
- Piloerection Erection of the hair of the skin. Piloerection of the hair, for example, on the arm makes it 'stand on end.'…
- Q arm of a chromosome The long arm of a chromosome. All human chromosomes have 2 arms -- a short arm and a long arm -- that are…