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).
Electromyogram
Electromyogram: A test used to record the electrical activity of muscles. When muscles are active, they produce an electrical current that is usually proportional to the level of muscle activity. An electromyogram (EMG) is also called a…
Read the definitionRandom terms
Show more- Fluorescent microscope A microscope equipped to examine material that fluoresces under ultraviolet light. Fluorescence microscopy is…
- Renal pelvis The area at the center of the kidney. Urine collects here and is funneled into the ureter
- Ventricular assist device A mechanical pump that takes over the function of the damaged ventricle of the heart and restores normal…
- Behavior, automatic A behavior that is performed without conscious knowledge and that does not appear to be under conscious…
- Wet brain See: Cerebral edema
- Complications, postoperative Postoperative problems affecting patients after surgery. Postoperative complications may (or may not) be…
- Bummed out Slang term for depression. For more, see: Depression
- Nerve, accessory See: Accessory nerve
- Aplastic anemia Anemia due to failure of the bone marrow to produce blood cells, including red and white blood cells as well…
- Skin color The color of skin which is complexly determined. Skin color depends on many factors including reddening…
- British National Formulary Osteogenesis imperfecta, not one but a group of genetic diseases, all of which affect collagen, a key…
- Conjunctival fornix The fornix of the conjunctivae refers to loose arching folds connecting the conjunctival membrane lining the…