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).
Prematurity
Historically, the definition of prematurity was 2500 grams (about 5 1/2 pounds) or less at birth. The current World Health Organization definition of prematurity is a baby born before 37 weeks of gestation, counting from the first day of…
Read the definitionRandom terms
Show more- Imprinting, psychological A remarkable genetic phenomenon that occurs in animals, and theoretically humans, in the first hours of life…
- Placebo response A positive medical response to taking a placebo, a sham medication as if it were an active medication. Up to…
- Tag, skin A small tag of skin that may have a stalk (a peduncle). Skin tags may appear on the skin almost anywhere…
- Bullae More than one bulla, a bulla being a blister more than 5 mm (about 3/16 inch) in diameter with thin walls…
- Virus, Marburg See: Negative-strand RNA virus.
- Popcorn worker lung See: Popcorn worker's lung
- Sickle cell disease A genetic blood disease due to the presence of an abnormal form of hemoglobin, namely hemoglobin S…
- American Journal of Public Health A monthly journal that publishes original research articles that are peer-reviewed in both 'general and…
- Colon polyp family history See: Colon cancer family history
- Asymptomatic Without symptoms. For example, an asymptomatic infection is an infection with no symptoms
- Gluten A protein found in wheat or related grains and many foods that we eat. Gluten can be found in a large variety…
- Nerve, first cranial The first cranial nerve is the olfactory nerve, the nerve that carries impulses for the sense of smell from…