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).
Morphine
A powerful narcotic agent with strong analgesic (painkilling) action and other significant effects on the central nervous system. It is dangerously addicting. Morphine is a naturally occurring member of a large chemical class of compounds…
Read the definitionRandom terms
Show more- Disease, congenital heart A malformation of the heart or the large blood vessels near the heart. The term 'congenital' speaks only to…
- Receptor, chemokine Receptor, chemokine: A molecule that receives a chemokine and a chemokine dock. A chemokine is a protein that…
- Inflammatory response A fundamental type of response by the body to disease and injury, a response characterized by the classical…
- X-linked On the X chromosome. 'Linked' in genetics does not mean merely associated. An X-linked gene travels with the…
- ID See: Yttrium Y 90 ibritumomab tiuxetan.
- Midwife, traditional See: Traditional midwife
- Recurrent laryngeal nerve One of the best known branches of the vagus nerve, a very long nerve that originates in the brainstem. After…
- Scurvy See: Scutellaria barbata.
- Footling presentation There are single-footling or double-footling presentations depending upon whether the presenting part of the…
- Child Health and . . . (NICHD) National Institute of (NICHD): One of the US National Institutes of Health, NICHD is in a sense the NIH for…
- Acid, amino One of the 20 building blocks of protein. The sequence of amino acids in a protein and, hence, the function…
- Gastric cancer Cancer of the stomach, the major organ that holds food for digestion. Worldwide, stomach cancer is the second…