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).
Neurinoma, acoustic
A benign tumor that may develop on the hearing and balance nerves near the inner ear. The tumor results from an overproduction of Schwann cells -- small sheet-like cells that normally wrap around nerve fibers like onion skin and help…
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Show more- Dyscalculia A specific developmental disability affecting a person's ability to conceptualize and perform mathematics…
- Alpha-ethltryptamine An illicit hallucinogenic drug related to tryptamine. Street names for alpha-ethyltryptamine include…
- Brain biopsy Biopsy of the brain. Removal of a small piece of tissue from the brain for diagnostic purposes. One way the…
- Synapsis The side-by-side and point-by-point pairing of homologous chromosomes during meiosis
- Somatization The process by which psychologic distress is expressed as physical symptoms. Somatization is an unconscious…
- Refraction test Also termed vision test, the refraction test is an examination that tests an individual's ability to see an…
- Cervix, incompetent A cervix that is abnormally liable to dilate and so is not competent to hold the fetus and keep it from being…
- Minot-Von Willebrand disease See: Von Willebrand disease
- Genome, rice The first commercially important plant to have its genome sequenced. This feat, completed early in 2001, is…
- Venom, scorpion The potent poison of the scorpion. A sting can be fatal to a person who is allergic to it. A scorpion is an…
- Penicillin Penicillin: The most famous of all antibiotics, named for the fungal mold Penicillium notatum from which it…
- Unilateral Having, or relating to, one side. Unilateral is as opposed, for example, to bilateral (which means having, or…