MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
T-cell depletion
A disease in which certain cells of the lymphoid system called T lymphocytes or T cells are malignant. T cells are white blood cells that normally can attack virus-infected cells, foreign cells, and cancer cells and produce substances that…
Read the definitionRandom terms
Show more- Cystic hernia See: Cystocele
- Isometric exercise Exercise involving muscular contractions without movement of the involved parts of the body. Isometric…
- Syndrome, mucocutaneous lymph node A syndrome of unknown origin, mainly affecting young children. It causes fever, reddening of the eyes…
- Cataract, primary A cataract that develops independently of other diseases. A primary cataract is in contrast to a secondary…
- Radiate To spread out from a central area. For example, sciatic pain may radiate outward from the lower back
- Explicit memory Memory in which there is a need for conscious recollection in order to recall something. By contrast, in…
- Factor VIII Factor eight, a key factor in the process of blood coagulation (clotting). Lack of normal factor VIII causes…
- Programmed cell death A term often used interchangeably with apoptosis. See: Apoptosis
- Human Genome Organisation The international organization of scientists involved in the Human Genome Project, the global initiative to…
- Glomerular Pertaining to the glomerulus, a tiny structure in the kidney that filters the blood to form urine
- Trichoepithelioma A small benign tumor derived from basal cells in the hair follicle. Trichoepithelioma may occur sporadically…
- Anoxic Pertaining to anoxia, an absence or near absence of oxygen