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).
Methemoglobin
A particular type of hemoglobin that is altered so that it is useless for carrying oxygen and delivering it to tissues throughout the human body. Since hemoglobin is the key carrier of oxygen in the blood, its wholesale replacement by…
Read the definitionRandom terms
Show more- EPS Stands for ElectroPhysiologic Study, a test of the electrical conduction system of the heart (the system that…
- Audiologist A health care professional who is trained to evaluate hearing loss and related disorders, including balance…
- Sleep-disordered breathing A condition characterized by repeated episodes of hypopnea (underbreathing) and apnea (not breathing) during…
- Yersinia pestis genome See: Plague bacterium genome
- Pharmacopeia Also spelled pharmacopoeia, an official authoritative listing of drugs. Aspirin has, for example, long been…
- Prominent vertebra The 7th cervical (neck) vertebra (C7) is sometimes called the prominent vertebra because of the length of its…
- Bone, calf Familiar name for the fibula, the lateral (outside) and smaller of the two long bones in the lower leg. The…
- Phthisis A good trivia or crossword item. An over-consonanted Greek word meaning 'a dwindling or wasting away.'…
- Sebaceous cyst A sebaceous cyst is a rounded swollen area of the skin formed by an abnormal sac of retained excretion…
- Vitamin B2 An essential nutrient found in meat, dairy foods, plant foods and grain products. The body requires vitamin…
- National Formulary Full name: United States Pharmacopeia and National Formulary (USP-NF). An official publication, issued first…
- Rash Rash: Breaking out (eruption) of the skin. Medically, a rash is referred to as an exanthem.