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).
Dermatitis, atopic
A skin disease characterized by areas of severe itching, redness, scaling, and loss of the surface of the skin (excoriation). When the eruption (rash) has been present for a prolonged time, chronic changes occur due to the constant…
Read the definitionRandom terms
Show more- Drug, antibiotic A drug used to treat bacterial infections. The original definition of an antibiotic was a substance produced…
- Tubal pregnancy A pregnancy that is not in the usual place within the uterus but is located in the Fallopian tube. Tubal…
- Transplant, bone marrow See: Bone marrow transplant
- Cold injury Cold injuries include chilblains, 'trench foot,' and frostbite. Cold injuries occur with and without freezing…
- Breast cancer, male Breast cancer in a man. Male breast cancer is much less common than breast cancer in women. Fewer than 1% of…
- Renal tubules Small structures in the kidney that filter the blood and produce the urine
- PANDAS An acronym for Pediatric Autoimmune Disorders Associated with Strep. PANDAS is the sudden onset of symptoms…
- Patellofemoral syndrome (PFS) Patellofemoral syndrome (PFS): The commonest cause of chronic knee pain, PFS characteristically causes vague…
- Alexander disease A slowly progressive and ultimately fatal brain disorder that most commonly occurs in children. The infantile…
- Cotton rat A rodent capable of carrying the types of hantavirus that cause HPS (hantavirus pulmonary syndrome) in the…
- JAK3 Or Jak3. An enzyme found only in cells in the immune system that is critical for the cell signaling process…
- Memory 1. The ability to recover information about past events or knowledge. 2. The process of recovering…