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).
Xylitol
Xylitol: A sweetener found in plants that is used as a substitute for sugar. Xylitol is considered a nutritive sweetener because it provides calories, just like sugar. (Saccharin is an example of a nonnutritive sweetener, one that has no…
Read the definitionRandom terms
Show more- Jordi Casals-Ariet See: Casals-Ariet, Jordi
- Drusen Tiny yellow or white deposits in the retina of the eye or on the optic nerve head. The presence of drusen is…
- Trimethylaminuria (TMA) An inborn error of metabolism associated with an offensive body odor, the smell of rotting fish, due to the…
- Patellofemoral syndrome (PFS) Patellofemoral syndrome (PFS): The commonest cause of chronic knee pain, PFS characteristically causes vague…
- Homologous chromosomes A pair of chromosomes containing the same gene sequences, each derived from one parent
- Cerebellar Pertaining to the cerebellum, the part of the brain in the back of the head between the cerebrum and the…
- Armed tapeworm Taenia solium
- Vaginal fornix The anterior (front) and posterior (back) recesses into which the upper vagina is divided. These vaultlike…
- AAP The American Academy of Pediatrics
- Medulla oblongata The base of the brain, which is formed by the enlarged top of the spinal cord. This part of the brain…
- Staphylococcal infection Infection with one of the Staphylococcal bacteria. Staph infection can cause pus-filled abscesses on the skin…
- Bloody nose The nose is a part of the body that is very rich in blood vessels (vascular) and is situated in a vulnerable…