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).
Tranquilizer
In pharmacology, a drug that calms and relieves anxiety. The first tranquilizer, chlordiazepoxide hydrochloride (brand name: Librium) received FDA approval in 1960. Tranquillizers range in potency from mild to major, with increasing levels…
Read the definitionRandom terms
Show more- Radial head subluxation See: Nursemaid's elbow
- Immunodeficiency Inability to mount a normal immune response. Immunodeficiency can be due to a genetic disease or acquired as…
- Acuity test, visual This test measures how well you see at various distances. It is the familiar eye chart test. The eye chart…
- Therapy, grief See: Grief therapy
- Transplant, renal Replacement of a diseased, damaged, or missing kidney with a donor kidney. Also called a kidney transplant…
- Hemarthrosis Blood in a joint.
- Fever, hemorrhagic A number of diseases characterized by an abrupt onset of high fever and chills, headache, cold and cough, and…
- Adenosine thallium scan A method of examining the heart to obtain information about the blood supply to the heart muscle. Special…
- GVHD Graft-versus-host disease
- Medicine, transfusion Blood transfusion and blood conservation are the complementary activities that constitute the clinical arena…
- Cardiopulmonary Having to do with both the heart and lungs
- Stasis ulcer A stasis ulcer is an ulcer (a crater) that develops in an area in which the circulation is sluggish and the…