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).
Brown syndrome
An ophthalmology (eye) problem. Brown syndrome is an abnormality that is present at birth (congenitally) and is characterized by an inability to elevate the eyeball when trying to move the eyeball to the outside. Brown syndrome can also…
Read the definitionRandom terms
Show more- Extremely low birth weight (ELBW) baby Born very prematurely weighing between 401 and 1000 grams (about 14 to 35 ounces) at birth. Extremely low…
- JEB (junctional epidermolysis bullosa) See: Junctional epidermolysis bullosa
- Seminal vesicle A structure in the male that is about 5 centimeters (2 inches) long and is located behind the bladder and…
- Acute epiglottitis A very rapidly progressive infection causing inflammation of the epiglottis (the flap that covers the…
- Histiocytosis, Langerhans cell Histiocytosis in which the active histiocytes normally occur in the skin. See histiocytosis.
- Leg pain with cramping An aching, crampy, tired, and sometimes burning pain in the legs that comes and goes -- it typically occurs…
- Diabulimia Patients with type 1 diabetes attempt to control body weight by minimizing insulin dosages. Since insulin…
- Interphase The interval in the cell cycle between two cell divisions when the individual chromosomes cannot be…
- Disease, subclinical An illness that stays below the surface of clinical detection. A subclinical disease has no recognizable…
- Keratosis, actinic A small rough spot on skin chronically exposed to the sun, precancerous, can develop into a skin cancer…
- Painful urination See: Dysuria
- C. perfringens See: Clostridium perfringens