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).
Perinatal
Pertaining to the period immediately before and after birth. The perinatal period is defined in diverse ways. Depending on the definition, it starts at the 20th to 28th week of gestation and ends 1 to 4 weeks after birth. The word…
Read the definitionRandom terms
Show more- Restitution In cytogenetics, the spontaneous rejoining of broken chromosomes to reconstitute the original chromosome…
- Plague, black In the 14th century the victims of the 'black plague' had bleeding below the skin (subcutaneous hemorrhage)…
- Gene, marker A detectable genetic trait or segment of DNA that can be identified and tracked. A marker gene can serve as a…
- Ultrasound, endoscopic See: Endoscopic ultrasound
- JPS Juvenile polyposis syndrome. See: Juvenile polyposis
- Familial A condition that is tends to occur more often in family members than expected by chance alone. A familial…
- Pericardium The conical sac of fibrous tissue that surrounds the heart and the roots of the great blood vessels. The…
- Resolution In genetics, resolution refers to the degree of molecular detail on a physical map of DNA, ranging from low…
- Syndrome, nervous colon A common gastrointestinal disorder involving an abnormal condition of gut contractions (motility)…
- Amyotrophic lateral sclerosis 4 ALS4. A juvenile-onset form of amyotrophic lateral sclerosis (ALS) with no bulbar involvement, inherited in…
- Rate, birth The birth rate is usually given as the number of live births divided by the average population (or the…
- Sand, biliary Biliary sand is a term mostly used by surgeons when they remove the gallbladder to describe uncountable…