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).
Reed-Sternberg cell
A type of cell that appears in patients with Hodgkin's disease. The number of these cells increases as the disease advances
Read the definitionRandom terms
Show more- Medulla The innermost part. The adrenal medulla is the innermost part of that gland. The renal medulla is the inner…
- PDA Patent ductus arteriosus
- Lung transplant The first lung transplant was done by the American surgeon James Hardy (1918-) in 1964.
- Immunotherapy Treatment to stimulate or restore the ability of the immune (defense) system to fight infection and disease…
- CD4 count, absolute See: Absolute CD4 count
- Syndrome, MELAS MELAS is the acronym for Mitochondrial Encephalopathy, Lactic Acidosis, and Stroke-like episodes. MELAS is a…
- Hyperconscious More conscious than usual. Extremely aware. People became hyperconscious of Parkinson disease after the actor…
- Acute pancreatitis Sudden inflammation of the pancreas. The pancreas abruptly becomes inflamed and then gets better. Some people…
- Smallpox vaccine A vaccine containing a live virus called vaccinia used to prevent smallpox. The vaccine does not contain the…
- Angiitis See: Vasculitis
- Avuncular 1. Literally, relating to an uncle. 2. Figuratively, suggestive of an uncle, as in geniality. 3 In medical…
- Cat scratch fever A bacterial infection due to a cat scratch seen most often today in people with HIV. The disease…