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).
Hygiene hypothesis
A hypothesis that states that exposure to allergens in the environment early in life reduces the risk of developing allergies by boosting immune system activity. Conversely, relatively clean environment in early life would sway the immune…
Read the definitionRandom terms
Show more- Syndrome, dyskeratosis congenita An inherited cause of bone-marrow failure, dyskeratosis congenita is a syndrome characterized by abnormal…
- Cox-1 inhibitor An agent that inhibits the action of the enzyme cox-1 (cyclooxygenase-1). The common anti-inflammatory drugs…
- TORCH screen Screening test for a group of infections known by the acronym TORCH which stands for Toxoplasma gondii; other…
- Neuralgia Pain along the course of a nerve
- Hydrocele Accumulation of fluid in the coat around the testis. Small hydroceles tend to disappear by a year of age…
- Cardiac tamponade A life-threatening situation in which there is such a large amount of blood or other fluid inside the…
- Gyne- Combining form pertaining to women. From the Greek gyno, gynaikos meaning woman
- Gene mapping The process of determining the relative positions of genes on a chromosome (or another piece of DNA) and the…
- Shoulder A structure made up of two main bones: the scapula (shoulder blade) and the humerus (the long bone of the…
- Muscle Muscle is the tissue of the body which primarily functions as a source of power. There are three types of…
- Tension, intravenous The pressure of the blood within a vein, the venous pressure
- Immunization, infectious hepatitis See Immunization, hepatitis A