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).
Colorblindness, red-green
A form of colorblindness in which red and green are perceived as identical. This is the most common type of colorblindness. It is also known as deuteranomaly, deuteranopia, and Daltonism. The term 'Daltonism' is derived from the name of…
Read the definitionRandom terms
Show more- Phosphatase, acid Acid phosphatase is an enzyme that works under acid conditions and is made in the liver, spleen, bone marrow…
- Upper leg The upper leg is the superior (top) segment of the leg: the part above the knee. As compared to the lower leg…
- Development, Human, . . . (NICHD) Of Child Health and (NICHD): One of the US National Institutes of Health, NICHD is in a sense the NIH for…
- Bacteria Single-celled microorganisms which can exist either as independent (free-living) organisms or as parasites…
- Post-traumatic stress disorder Stress disorder: A common anxiety disorder that develops after exposure to a terrifying event or ordeal in…
- Red Devils Street name for dextromethorphan (DXM)
- Saline Relating to salt. As an adjective, 'saline' means 'salty, containing salt.' As a noun 'saline' is a salt…
- Contact dermatitis A skin condition caused by contact between skin and some substance. Includes irritant contact dermatitis (a…
- DNA (did not attend) In the UK, DNA is an abbreviation for 'did not attend.' (In the US, the term used for a patient who missed an…
- Toxic agent syndrome See: Toxic syndrome
- Libido 1. Sexual drive. 2. In psychoanalysis, the psychic energy from all instinctive biological drives. Libido in…
- Dystonia Dystonia: Involuntary movements and prolonged muscle contraction, resulting in twisting body motions, tremor…