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).
Situational syncope
The temporary loss of consciousness in a particular kind of situation. The situations that trigger this reaction are diverse, and include having blood drawn, straining while urinating or defecating, and coughing. It can also be due to the…
Read the definitionRandom terms
Show more- Nostrum A worthless remedy. 'Nostrum' is an example of a term that came from medicine, entered the world beyond…
- Hecht-Beals syndrome See: Hecht syndrome
- Aquaphobia An abnormal and persistent fear of water. Sufferers from aquaphobia experience anxiety even though they…
- Midwife, certified See: Certified midwife
- Operation, Glenn See: Glenn shunt
- Burkholderia cepacia (B. cepacia, for short.) A group of bacteria found in soil and water that are often resistant to common…
- Rodbell, Martin (1925-1998) American biochemist and molecular endocrinologist who shared the Nobel Prize in 1994 in…
- Nurse, registered A nurse who has completed a two- to four-year degree program in nursing, and provides direct patient care for…
- Rubor Redness, one of the four classic signs of inflammation (together with dolor, calor, and tumor). From the…
- Supraventricular tachycardia Abbreviated SVT. A regular, abnormally fast heart beat (tachycardia) caused by rapid firing of electrical…
- Microvascular Pertaining to the microvasculature, the portion of the vasculature of the body consisting of the smaller…
- Genome, plague See: Plague bacterium genome