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).
Aqueduct of the midbrain
A canal that communicates between the third and fourth ventricles in a system of four communicating cavities within the brain that are continuous with the central canal of the spinal cord. The four ventricles consist of the two lateral…
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Show more- Troche A small medicated lozenge designed to dissolve. For example, to soothe the throat as a cough drop. Strictly…
- Balance, sense of Our sense of balance is regulated by a complex interaction of the following parts of the nervous system: >…
- Bronchitis, chronic Defined clinically as a daily cough with production of sputum for 3 months, two years in a row. In chronic…
- Migraine, menstrual See: Menstrual migraine
- GLA 1. Alpha-galactosidase A, the enzyme that is deficient in Fabry disease.2. Gamma-linolenic acid, an essential…
- Melanoma, choroidal Malignant melanoma that arises in the eye. See ocular melanoma
- Neurogenic Starting with or having to do with the nerves or the nervous system
- Disease, Tsutsugamushi Scrub typhus, a mite-borne infectious disease caused by a microorganism, Rickettsia tsutsugamushi…
- Heart The muscle that pumps blood received from veins into arteries throughout the body. It is positioned in the…
- Stenosis, subaortic Narrowing of the left ventricle of the heart just below the aortic valve through which blood must pass on its…
- Osseous Having to do with the bone, consisting of bone, or resembling bone. From 'os' which is a synonym for 'bone.'…
- JAK3 inhibitor A drug that inhibits the enzyme JAK3 (which is found only in immune cells) and acts as an immunosuppressant