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).
ER
1. Emergency room. 2. Endoplasmic reticulum. 3. Estrogen receptor. 4. Extended release.
Read the definitionRandom terms
Show more- Enophthalmos Sunken eyeball.
- Corporeal Pertaining to the body of an organ or the entire body. The term also serves as a suffix, as in intracorporeal…
- British National Formulary Osteogenesis imperfecta, not one but a group of genetic diseases, all of which affect collagen, a key…
- Chondromalacia : Abnormal softening or degeneration of cartilage. See also patellofemoral syndrome
- Dura The outermost, toughest, and most fibrous of the three membranes (meninges) covering the brain and the spinal…
- Plague, sylvatic Plague that is spread by ground squirrels and other wild rodents, for example, in the western portion of the…
- Phobia, social Excessive fear of embarrassment in social situations that is extremely intrusive and can have debilitating…
- Calor Heat, one of the four classic signs of inflammation (together with dolor, rubor and tumor). From the Latin…
- Shock, psychologic Trauma due to psychological events, as in 'shell shock' (now known as post-traumatic stress disorder)
- Keratosis A localized horny overgrowth of the upper layer of skin such as a callus or wart. Among the common forms of…
- Deficiency, fatty alcohol: NAD+ oxidoreductase Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease usually characterized by a…
- Bursopathy Disease involving a bursa, a closed fluid-filled sac that supplies a gliding surface to reduce friction…