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).
Approved drug
A medication approved for marketing. In the US, the Food and Drug Administration (FDA) must approve a substance as a drug before it can be marketed. The approval process involves several steps including pre-clinical laboratory and animal…
Read the definitionRandom terms
Show more- Abuse, steroid Use of substances containing anabolic steroids to increase muscle mass. Such steroids can have many side…
- Lentigines When there is one lentigo, there are usually more lentigines
- Recurrence The return of a sign, symptom or disease after a remission. The reappearance of cancer cells at the same site…
- GM2-gangliosidosis, type 1 This disorder known as Tay-Sachs disease (TSD) is concisely defined by OMIM (Online Mendelian Inheritance in…
- Toxin, botulinum See: Botulinum toxin
- PARK3 Familial Parkinson disease type 3
- Gland, sudoriferous The sudoriferous (sweat) glands are small tubular structures situated within and under the skin (in the…
- Diving injury An injury incurred from diving into water that is too shallow or has hidden hazards. These injuries may be to…
- Aneurysm, saccular An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an…
- Subq Abbreviation for subcutaneous. Subcutaneous means under the skin. It implies just under the skin. With a…
- Vertebral rib One of the last two ribs. A rib is said to be 'vertebral' if it does not attach to the sternum (the breast…
- CCD (Central core disease of muscle) One of the conditions that produces 'floppy baby' syndrome. CCD causes hypotonia (floppiness) in the newborn…