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).
Ring chromosome
A structurally abnormal chromosome in which the end of each chromosome arm has been lost and the broken arms have been reunited in ring formation. A ring chromosome is denoted by the symbol r
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Show more- Sleep talking NREM (non-rapid eye movement) sleep is dreamless sleep. During NREM, the brain waves on the…
- History, family The family structure and relationships within the family, including information about diseases in family…
- Exophthalmos Protruding eyeball. A common finding in hyperthyroidism (too much thyroid hormone) of Graves disease
- Pharmacopeia Also spelled pharmacopoeia, an official authoritative listing of drugs. Aspirin has, for example, long been…
- Vitiligo Vitiligo: Pronounced vit-uh-LIE- go. A condition in which the skin turns white due to the loss of…
- Saccharin An artificial sweetener which diluted in water is 300-500 times sweeter than the sugar sucrose. (Saccharin is…
- Kashin-Beck disease A disorder of the bones and joints of the hands and fingers, elbows, knees, and ankles of children and…
- Seizure, local See: Partial seizure
- Incase A term once used to refer to the medical case of an inpatient
- Accessory neuropathy Disease of the accessory nerve which is the eleventh cranial nerve. The accessory nerve supplies the…
- Gouty arthritis An attack that is usually extremely painful of joint inflammation due to deposits of uric acid crystals in…
- RFLP An antigen found in the red blood cells of most people: those who have Rh factor are said to be Rh positive…