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).
Aromatase
An enzyme involved in the production of estrogen that acts by catalyzing the conversion of testosterone (an androgen) to estradiol (an estrogen). Aromatase is located in estrogen-producing cells in the adrenal glands, ovaries, placenta…
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Show more- Red Devils Street name for dextromethorphan (DXM)
- Sandhoff disease A genetic disorder with symptoms that are very similar to those of Tay-Sachs disease (TSD) and that is…
- RAD51 An enzyme that coordinates recombination and that is important to the process of error-free DNA repair by…
- Joint, ankle The ankle joint is complex. It is made up of two joints: the true ankle joint and the subtalar joint: > >The…
- Rooting reflex A reflex seen in newborn babies, who automatically turn their face toward the stimulus and make sucking…
- Gage, Phineas The most famous patient to have survived severe damage to the brain and the first from whom something was…
- Corneal dystrophy A condition in which one or more parts of the cornea lose their normal clarity due to a buildup of cloudy…
- Sociopath A term once used for someone with what is now called antisocial personality disorder
- Visual field test Visual field test: A test which measures the extent and distribution of the field of vision. The visual field…
- Rocky Mountain spotted fever (RMSF) Fever (RMSF): An acute febrile (feverish) disease initially recognized in the Rocky Mountain states, caused…
- External radiation therapy Radiation therapy using a machine located outside the body to aim high-energy rays at a tumor.
- Syndrome, sicca An autoimmune diseases, also known as Sjogren syndrome, that classically combines dry eyes, dry mouth, and…