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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Metatarsophalangeal joint sprain
An injury to the big toe due to forced hyperextension (bending back) of the toe. The damage is to the capsule of the first metatarsophalangeal joint and to the ligaments that connect the big toe to the foot. The big toe is painful, tender…
Read the definitionRandom terms
Show more- Hypovolemic Referring to hypovolemia, an abnormal decrease in blood volume. As, for example, hypovolemic shock
- Iatry International AIDS Vaccine Initiative. A remarkable example of a global not-for-profit organization working…
- Veisalgia The sober medical term for a hangover. 'There is no consensus definition of veisalgia ('alcohol…
- Plummer's disease Toxic multinodular goiter. Also called Parry's disease
- Chloride The major anion (negatively charged substance) in the blood and extracellular fluid (the body fluid that lies…
- Osteogenesis imperfecta with blue sclerae See: Osteogenesis imperfecta type I.
- Obtund To dull or blunt. From the Latin obtundere, to blunt
- Flexural psoriasis A form of psoriasis found in the armpits, groin, under the breasts and in other flexion creases (skin folds)…
- Systolic click-murmur syndrome See: Mitral valve prolapse
- Smoking, involuntary The involuntary inhaling of environmental tobacco smoke (ETS) by someone who is not smoking. See: ETS
- MRSI Magnetic resonance spectroscopic imaging
- General Clinical Research Center (Abbreviated GCRC). See: Clinical Research Center