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).
Perinatologist
An obstetrical subspecialist concerned with the care of the mother and fetus at higher-than-normal risk for complications. Since the perinatal period, depending on the definition, starts at the 20th to 28th week of gestation and ends 1 to…
Read the definitionRandom terms
Show more- Newborn hearing screen Testing of the newborn baby's ability to hear. Newborn screening of hearing is done with automated auditory…
- Ampulla of Vater An enlargement of the ducts from the liver and pancreas at the point where they enter the small intestine…
- Genome, bee See: Honey bee genome
- Concordant 1. Showing concordance, complete agreement. A couple may be concordant for a sexually transmitted infection…
- Congenital central hypoventilation syndrome Failure from birth of central nervous system control over breathing while asleep. There are usually no…
- Right heart The heart is composed functionally of two hearts - the right heart and the left heart. The right heart…
- Cytoplasm All of the substance of a cell outside of the nucleus. The cytoplasm contains a number of different types…
- Congestive heart failure Congestive heart failure: Inability of the heart to keep up with the demands on it and, specifically, failure…
- Glycosylated hemoglobin Hemoglobin to which glucose is bound. Glycosylated hemoglobin is tested to monitor the long-term control of…
- Nexus A connection or link. A causal connection. A connected series. 'Nexus' comes from the Latin 'nectere' meaning…
- Pericardial sac A conical sac of fibrous tissue which surrounds the heart and the roots of the great blood vessels. Also…
- Antioxidant Any substance that reduces oxidative damage (damage due to oxygen) such as that caused by free radicals. Free…