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).
Vision, macular
The macula is a special area in the center of the retina, the light-sensitive layer of tissue at the back of the eye. As we read, light is focused onto our macula. There, millions of cells change the light into nerve signals that tell the…
Read the definitionRandom terms
Show more- Functional food Functional foods are 'those foods that encompass potentially healthful products including any modified food…
- White spots on the nails Very small semi-circular white spots on the nails. These spots may be found on the fingernails and…
- Arthritis mutilans Arthritis mutilans: An extremely severe form of chronic rheumatoid arthritis characterized by resorption of…
- Endocardium The lining of the interior surface of the heart chambers. The endocardium consists of a layer of endothelial…
- Toko- (prefix) Stemming from the Greek word 'tokos' meaning childbirth, we have toc-, toco-, tok-, and toko- as combining…
- Tube, NG An NG (nasogastric) tube is one that is passed through the nose (via the nasopharynx and esophagus) down into…
- Gerstmann-Straussler-Scheinker disease See: Gerstmann-Straussler-Scheinker syndrome
- Symptoms, withdrawal Abnormal physical or psychological features that follow the abrupt discontinuation of a drug that has the…
- Rothmund-Thomson syndrome To go around and see a patient in a hospital or other in-patient setting.
- Tag, preauricular A common minor anomaly, this is a rudimentary tag of ear tissue. It often contains a core of cartilage. The…
- Plague, sylvatic Plague that is spread by ground squirrels and other wild rodents, for example, in the western portion of the…
- Pericardium, visceral The inner layer of the pericardium, a conical sac of fibrous tissue that surrounds the heart and the roots of…