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).
Vessel, efferent
A vessel carrying blood away from the heart. An artery or arteriole
Read the definitionRandom terms
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- Multisection CT See: Multidetector computed tomography
- Intelligence quotient An attempt to measure the intelligence of someone. Abbreviated IQ. The IQ score is usually based upon the…
- Expectorant A medication that helps bring up mucus and other material from the lungs, bronchi, and trachea. An example of…
- Major anxiety disorder >panic disorder; >obsessive-compulsive disorder; >PTSD (post-traumatic stress disorder); >social phobia…
- Organotherapy The use of extracts of animal glands or organs to treat disease. Pituitary extracts from pigs, for example…
- Postpartum depression Postpartum depression: A form of severe depression after delivery that requires treatment. It is sometimes…
- C-reactive protein A plasma protein that rises in the blood with the inflammation from certain conditions. C-reactive protein…
- Biosafety The application of knowledge, techniques and equipment to prevent personal, laboratory and environmental…
- Hair of the dog An alcoholic chaser reputed to relieve a hangover, usually needed the morning after imbibing too much…
- Chromosome band One of the transverse bands produced on chromosomes by differential staining techniques. Depending on the…