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).
Syncope, situational
The temporary loss of consciousness in a particular kind of situation. The situations that trigger this reaction are diverse, and include having blood drawn, straining while urinating or defecating, and coughing. It can also be due to the…
Read the definitionRandom terms
Show more- Nephroblastomatosis The presence of multiple embryonic rests of tissue within the kidney. These nephrogenic rests usually are…
- Domain In molecular biology, a discrete portion of a protein with its own function. The combination of domains in a…
- Corneal dystrophy, Fuchs endothelial A common adult-onset form of corneal dystrophy with autosomal dominant inheritance. The disorder is caused by…
- Hydrostatic weighing See: Underwater weighing
- Ship fever An old name for epidemic typhus, which was common in the crowded conditions aboard ship. Ship Fever and Other…
- Paprika A spicy seasoning ground from a variety of sweet red pepper (Capsicum annuum), the original source of vitamin…
- MG (myasthenia gravis) Myasthenia gravis (MG): An autoimmune neuromuscular disorder characterized by fatigue and exhaustion of…
- OS (lens prescription) Abbreviation of 'oculus sinister.' Latin for 'left eye.' By contrast, OD stands for 'oculus dexter' which is…
- ESRD End-stage renal disease
- Disease, Crohn A chronic inflammatory disease primarily involving the small and large intestine but which can affect other…
- Fovea centralis See: Fovea.
- Peri-appendiceal See: Periappendiceal