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).
Symptomatic treatment
Therapy that eases the symptoms without addressing the basic cause of the disease. For example, symptomatic treatment of advanced lung cancer that has spread (metastasized) beyond the lung is designed to decrease the pain and other…
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Show more- Pineal region tumor A brain tumor on or near the pineal gland. There are at least 17 types of pineal gland tumors, most of which…
- Mitochondrial encephalopathy, MELAS MELAS is the acronym for Mitochondrial Encephalopathy, Lactic Acidosis, and Stroke-like episodes. MELAS is a…
- Ampullary carcinoma Cancer of a structure called the ampulla of Vater, a small muscle located at the junction where the common…
- Ringing in the ears Medically called tinnitus, this can arise in any of 'the four sections of the ear' -- the outer ear, the…
- D-dimer A fragment produced during the degradation of a clot. The D here stands for domain. Dimer indicates two…
- Discharge 1.The flow of fluid from part of the body, such as from the nose or vagina.2. The passing of an action…
- Evertor A muscle that turns a part toward the outside. To evert is to turn outward or turn inside out. From the Latin…
- EMG Electromyogram
- Eye, small Also called microphthalmia, an abnormally small eye, a congenital malformation (birth defect) of the globe…
- Memory, explicit See: Explicit memory
- Endocardial Pertaining to the endocardium, the inside lining of the heart
- Y sex-determining region A region on the Y chromosome that determines the sex of the individual. This region goes by the symbol SRY…