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).
Magnetic resonance spectroscopic imaging
(MRSI) A noninvasive imaging method that provides information about cellular activity (metabolic information). It is used in oncology along with magnetic resonance imaging (MRI) which provides information about the shape and size of the…
Read the definitionRandom terms
Show more- Post-traumatic stress disorder Stress disorder: A common anxiety disorder that develops after exposure to a terrifying event or ordeal in…
- Rate, basal metabolic A measure of the rate of metabolism. For example, someone with an overly active thyroid will have an elevated…
- Menopause, chemical Menopause, chemical: Menopause induced by chemotherapy or other chemicals or medications. Chemical menopause…
- Dialysis Dialysis: The process of cleansing the blood by passing it through a special machine. Dialysis is necessary…
- Screening mammogram Mammogram: A mammogram (an X-ray of the breast) in women who have no signs of breast cancer. It usually…
- Brainstem implant A type of hearing aid that bypasses the cochlea in the middle ear and the auditory nerve and is implanted in…
- Clinical research trials Clinical research trials: Trials to evaluate the effectiveness and safety of medications or medical devices…
- GI tract Short for gastrointestinal tract. See: Gastrointestinal tract
- Cutis laxa A dermatologic condition characterized by unusually loose skin which may hang in pendulous folds. Cutis laxa…
- Penetrant trait A genetic trait (characteristic) that is present in the genome and manifests itself in the individual. By…
- Eczema Eczema: A particular type of inflammatory reaction of the skin in which there are typically vesicles (tiny…
- Quackery Deliberate misrepresentation of the ability of a substance or device for the prevention or treatment of…