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).
EMG
Electromyogram
Read the definitionRandom terms
Show more- Heart The muscle that pumps blood received from veins into arteries throughout the body. It is positioned in the…
- NPH NREM (non-rapid eye movement) sleep is dreamless sleep. During NREM, the brain waves on the…
- Central vision Straight-ahead vision. Central vision is the work of the macula, a small area in the center of the retina…
- Cerebral aneurysm A localized widening of a vessel within the brain. See: Berry aneurysm
- Dacryoadenitis Inflammation of a lacrimal gland (a gland that produces tears)
- Ciliary neuralgia A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical…
- Synovial osteochondromatosis A malignant sarcoma of soft tissue that arises near but not in a joint, most often in an adolescent or young…
- Arachnoiditis Arachnoiditis: Inflammation of the middle layer of membranes covering the brain and spinal cord…
- Thalassiosira pseudonana An ocean diatom that is a major participant in the biological pumping of carbon to ocean depths and that has…
- Naegleria infection Naegleria infection: Infection from an ameba called Naegleria fowleri that is commonly found in the…
- Oxyuris A group of intestinal worms that includes pinworm.
- Schadenfreude Pleasure from the misfortune of others. The word entered English in 1895 from the German 'Schade', harm, +…