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.
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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).
Study, preclinical
A study to test a drug, procedure or medical treatment in animals. The aim is to collect data in support of safety. Preclinical studies are required before clinical trials can be started
Read the definitionRandom terms
Show more- HCV PCR viral detection test See: HCV PCR
- RTS See Rett syndrome.
- Off-pump surgery A technique for heart surgery designed to avoid use of the heart-lung machine. The technique permits surgery…
- Progesterone A female hormone and the principal progestational hormone that is made mainly by the corpus luteum in the…
- Aldrex Trade name of the insecticide aldrin. See: Aldrin and dieldrin
- Annexin V Annexin V is the cause of a syndrome called the antiphospholipid antibody syndrome with abnormal blood…
- White-coat hypertension (White coat hypertension) A rodent capable of carrying the types of hantavirus that cause HPS (hantavirus pulmonary syndrome) in the…
- Q.n.s. On a lab report, q.n.s. (or qns or QNS) means Quantity Not Sufficient. Not enough blood, urine or whatever to…
- Signature 1) That part of the prescription that contains the doctor's directions to the patient. For example, the…
- Nevi The plural of nevus
- Recurrence The return of a sign, symptom or disease after a remission. The reappearance of cancer cells at the same site…
- Supercilious Arrogant, haughty or disdainful. From the raising of an eyebrow ('supercilium' in Latin). Supercilious is an…