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).
RAST
An allergy test done on a sample of blood. The aim with RAST, as with skin tests, is to check for allergic sensitivity to specific substances. In the test, the sample of blood is mixed with substances known to trigger allergies. The test…
Read the definitionRandom terms
Show more- Sequence, intervening An intervening sequence is the part of a gene that is initially transcribed from the DNA into RNA…
- Acclimatization to altitude The main cause of altitude sickness is going too high too fast. Given time, the body can adapt to the…
- Colectomy >Right hemicolectomy -- in which the right part of the colon is removed, >Left hemicolectomy -- where the…
- Contraceptive, diaphragm A barrier method of contraception that is available by prescription only and must be sized by a health…
- Angiotensin receptor blocker See: Angiotensin II receptor blocker
- Calcium channel blocker A drug that blocks the entry of calcium into the muscle cells of the heart and the arteries. It is the entry…
- Allopathy The system of medical practice which treats disease by the use of remedies which produce effects different…
- Adductor muscle Any muscle that pulls a body part toward the midline. For example, the adductor muscles of the legs pull the…
- BMT Bone marrow transplantation, a procedure in which doctors replace bone marrow that is diseased (or damaged)…
- Arteriosclerotic aneurysm A localized widening (aneurysm) of a vessel that occurs because the vessel wall is weakened by…
- Bursae Plural of bursa
- Diet, Atkins A high-protein, high-fat, low-carbohydrate weight-loss diet popularized by Dr. Robert C. Atkins. See: Atkins…