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).
Cox-2 inhibitor
A type of drug that selectively blocks the enzyme cox-2 (cyclooxygenase-2). Blocking this enzyme impedes the production of the chemical messengers called prostaglandins that cause the pain and swelling of arthritis inflammation. Cox-2…
Read the definitionRandom terms
Show more- Lymphocyte A small white blood cell (leukocyte) that plays a large role in defending the body against disease…
- Sternutator Something that causes a sneeze. From the Latin sternutatio (sneeze). See also: Sternutation
- Acute-phase protein Any protein whose plasma concentration increases (or decreases) by 25% or more during certain inflammatory…
- Allogeneic Taken from different individuals of the same species. Two or more individuals are said to be allogeneic to…
- Fear of thunder An abnormal and persistent fear of thunder that causes undue anxiety even though sufferers realize that…
- Sapphism Female homosexuality. Named after the poet Sappho who lived on the Greek island of Lesbos (circa 600 BC). She…
- Cataplexy A debilitating medical condition in which a person suddenly feels weak and collapses at moments of strong…
- KB 1. The skin disease Keratodermia blennorrhagicum. 2. Kilobase of DNA. The preferred abbreviation for kilobase…
- Arteriosclerotic retinopathy Retinal disease caused by arteriosclerosis. In this condition, the arterioles (small arteries) in the retina…
- LAAM Levo-alpha acetyl methadol, an alternative to methadone that blocks the effects of opiates for up to 72 hours…
- Endostatin Endostatin is a piece (a fragment) of a protein, collagen 18, found in all blood vessels. This fragment is…
- Hansen bacillus Mycobacterium leprae, the agent of leprosy (Hansen disease)