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).
Diffuse mastocytosis
A form of mastocytosis in which the entire skin is thickened and leathery with generalized reddening and intense pruritus (itching) due to widespread infiltration of the skin with mast cells. Treatment may include antihistamines, drugs to…
Read the definitionRandom terms
Show more- Painful vulva Also called essential vulvodynia, a chronic, diffuse, unremitting sensation of burning of the vulva -- (the…
- Lactase Enzyme that breaks down the milk sugar lactose into glucose and galactose. Persons with a deficiency of…
- Alloerotic Having to do with sexual excitement toward the same sex. The opposite is heteroerotic
- Choanal Pertaining to the choana, the passageway from the back of one side of the nose to the throat. The choana is…
- Study, stomach emptying Also called a gastric emptying study, this test evaluates the emptying of food from the stomach. For a…
- Fungus A single-celled or multicellular organism. Fungi can be true pathogens (such as histoplasmosis and…
- Vincent infection This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Transesophageal echocardiography A diagnostic test, using a special probe placed within the esophagus, that employs ultrasound waves to make…
- Anxiety Anxiety: A feeling of apprehension and fear characterized by physical symptoms such as palpitations…
- Smoldering leukemia A condition in which the bone marrow does not function normally. It does not produce enough blood cells. This…
- Osteo- (prefix) Combining form meaning bone. From the Greek 'osteon', bone. Appears for instance in osteoarthritis…
- Lice, head See: Head lice