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).
Institute on Deafness and Communication Disorders
S, National (NIDCD): One of the US National Institutes of Health. The mission of the National Institute on Deafness and Other Communication Disorders is to 'conduct and support biomedical research and research training on normal mechanisms…
Read the definitionRandom terms
Show more- Tetrafluoroethylene A substance that is a possible carcinogen (cancer-causing agent) used in the production of polymers such as…
- Chromatography, gas (GC) A type of automated chromatography (a technique used to separate mixtures of substances) in which the mixture…
- Ketone bodies Chemicals that the body makes when there is not enough insulin in the blood and it must break down fat…
- Large bowel Another name for the large intestine. The word 'bowel' originated from the Latin 'botulus' meaning 'sausage.'
- Reflex A reaction that is involuntary. The corneal reflex is the blink that occurs with irritation of the eye. The…
- Streptococcus, group B A major cause of infections, including infections involving the pregnant woman and her newborn infant. Strep…
- Black plague In 14th-century Europe, the victims of the 'black plague' had bleeding below the skin (subcutaneous…
- Polyostotic fibrous dysplasia A mass of tissue that develops on the inside wall of a hollow organ, as within the colon or rectum. The word…
- Pressure, low blood Any blood pressure that is below the normal expected for an individual in a given environment. Low blood…
- Healthy food label A food that is low in fat and saturated fat and that contains limited amounts of cholesterol and sodium. If…
- Pes cavus Literally a hollow foot, pes cavus is a foot with too high an arch
- Hormone, secretin Hormone made by glands in the small intestine that stimulates pancreatic secretion. The word 'hormone' was…