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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
SSRI
A flowering plant, Hypericum perforatum, also known as Perforate St John's wort, that has long been believed to have medicinal qualities. There is, in fact, some evidence that St John's wort may possibly be useful in diminishing…
Read the definitionRandom terms
Show more- ARB Angiotensin II receptor blocker
- Fat requirements, infant Fat in human milk provides 30%-35% of the total daily caloric needs for a growing infant. Manufacturers of…
- Heart block A block in the conduction of the normal electrical impulses in the heart.
- Conjugated linoleic acid (CLA) A supplement that has been promoted as an aid to weight loss and muscle building and as a deterrent to…
- Olfactory Pertaining to olfaction, the sense of smell
- Autoimmunity A misdirected immune response that occurs when the immune system goes awry and attacks the body itself…
- Cartilage Firm, rubbery tissue that cushions bones at joints. A more flexible kind of cartilage connects muscles with…
- Nervous system, human The sum total of the tissues that record and distribute information within a person, and does so by…
- National Institute for Occupational Safety Health: Known for short as NIOSH, a US Federal agency responsible for conducting research and making…
- Phrenic pacing See: Diaphragm pacing
- Caenorhabditis elegans genome See: C. elegans genome
- Adventitia The outermost connective tissue covering of any organ, vessel, or other structure. For example, the…