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).
Dystrophy, myotonic
An inherited disease in which the muscles contract but have decreasing power to relax -- this phenomenon is termed myotonia (irritability and prolonged contraction of muscles). The disease also produces leads to a mask-like expressionless…
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Show more- Cholesterol lowering with fibrate The fibrates are cholesterol-lowering drugs that are primarily effective in lowering triglycerides and, to a…
- Toxic shock syndrome A grave condition occurring predominantly in menstruating women using tampons, toxic shock is characterized…
- Cousin marriage Marriage involving cousins. Everyone carries rare recessive alleles, rare genes that are generally innocuous…
- Laparotomy An operation to open the abdomen. The word 'laparotomy' was first used to designate this operation in 1878 by…
- Hypoplasia Underdevelopment or incomplete development of a tissue or organ. For example, there can be hypoplasia…
- Xerophthalmia Dry eyes. Xerophthalmia can be associated with systemic diseases such as Sjogren' s syndrome, systemic lupus…
- Pesthouse A hospital where people suffering from infectious disease were once confined and sometimes treated. 'I…
- ABCD rating A staging system for prostate cancer. See the Jewett staging system
- Arrectores pilorum Tiny muscles that act as the hair erector muscles. The arrectores pilorum play a key role in goose bumps, a…
- Medical device 1. Broadly, any physical item used in medical treatment, from a cardiac pacemaker to a wheelchair.2.In…
- P.r.n. Abbreviation meaning 'when necessary' (from the Latin 'pro re nata', for an occasion that has arisen, as…
- Familial polyposis of colon, autosomal recessive See: MYH