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).
Nonblinded study
A clinical trial or other experiment in which the researchers know what treatments are being given to each study subject or experimental group. If human subjects are involved, they know what treatments they are receiving
Read the definitionRandom terms
Show more- Opiate agonist maintenance See: Methadone treatment program
- Colon cancer family history A family history of colorectal cancer (CRC). First-degree relatives of people with CRC are themselves at a 2…
- Anticoagulant agent A medication used as a 'blood-thinner' to prevent the formation of blood clots and to maintain open blood…
- Fever, dengue hemorrhagic (DHF) A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…
- Specificity 1. The quality of being specific as, for example, she showed the use of specificity in her diagnosis. 2. The…
- Scan, CAT Pictures of structures within the body created by a computer that takes the data from multiple X-ray images…
- Leucine An amino acid, one of the 20 building blocks of protein. A dietary essential amino acid, leucine is needed…
- Selenium An essential trace mineral that functions largely in the form of proteins, called selenoproteins, which act…
- Sleep apnea, central A breathing disorder characterized by brief interruptions of breathing during sleep. Central sleep apnea…
- Periphery 1. The outside or surface of a structure; the portion outside the central region. 2. The circumference of a…
- Aer-, aero- Prefix indicating a problem due to air or gas, such as aerogastria (excess stomach gas.
- Deep A device put within the body that is designed to recognize certain types of abnormal heart rhythms…