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).
Leukemia, lymphocytic
A form of leukemia that has a sudden onset, lymphocytic leukemia starts in the bone marrow but often spreads to the lymphatic and nervous system. With aggressive treatment, which may include chemotherapy, radiation, bone-marrow transplant…
Read the definitionRandom terms
Show more- Cyclooxygenase-1 inhibitor See: Cox-1 inhibitor
- Pleuritis Inflammation of the pleura. When the pleura becomes inflamed, it can produce more than the normal amount of…
- Sigmoid In human anatomy, the lower colon (the lower portion of the large bowel). 'Sigmoid' is short for 'sigmoid…
- Mastalgia Pain in the breast or mammary gland. From the Greek masto-, breast + algos, pain
- THG Tetrahydrogestrinone. A 'designer steroid.' THG first surfaced in October 2003 with reports of its illicit…
- Dibenzoxazepine A riot control agent or 'tear gas.' See: Riot control agent poisoning
- Fasciolopsiasis Infection with Fasciola flukes such as Fasciolopsis buski. See: Fasciolopsis
- Cataract, secondary A cataract that develops secondary to another disease or surgery. The other disease may, for example, be…
- Typhus, tropical See Typhus, scrub
- Ray, Roentgen See: Roentgen ray
- EBS (epidermolysis bullosa simplex) See: Epidermolysis bullosa simplex
- Cell, stem An ancestral cell, the most primitive type of cell. Stem cells are relatively unspecialized…