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).
In-the-canal hearing aid
A hearing instrument custom designed to fit in the ear canal. It protrudes slightly into the outer ear and so is visible. In-the-canal (ITC) instruments are appropriate for mild to moderate hearing losses but not for infants or young…
Read the definitionRandom terms
Show more- Deletion Loss of a segment of DNA from a chromosome (and hence from the genome). The first human chromosome deletion…
- Orchiectomy The surgical removal of one or both testes.
- Disease, Brill-Zinsser Recrudescence of epidemic typhus years after the initial attack. The agent that causes epidemic typhus…
- Cerebritis Inflammation of the brain
- Genitalia The male and female reproductive organs. The genitalia include internal structures such as the ovary, and…
- Hepatic ductular hypoplasia, syndromatic Also called Alagille syndrome or arteriohepatic dysplasia, this is a genetic disorder characterized by…
- Aromatase An enzyme involved in the production of estrogen that acts by catalyzing the conversion of testosterone (an…
- T lymphocyte, cytotoxic See: Cytotoxic T-lymphocyte
- Genome, human See: Human genome
- Bayes' theorem See: Bayes theorem
- Jugular The principal vein in the front of either side of the neck. The word comes from the Latin jugulum meaning…
- Decease To depart from life; to die