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).
Serendipity
An accidental and fortunate discovery. Not all good medical research by any means is done by design. Some is by serendipity, pure good luck. A celebrated instance of serendipity in biomedical research took place in 1928 at St Mary's…
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Show more- Arrhythmia, sinus The normal increase in heart rate that occurs during inspiration (when you breathe in). This is a natural…
- VBAC Vaginal Birth After Cesarian section. Although the abbreviation VBAC (pronounced VEE-back) does not appear in…
- SARS vaccine A vaccine to protect against severe acute respiratory syndrome (SARS). The SARS epidemic surfaced early in…
- Summer cold A popular term for hay fever. Although the symptoms of a 'summer cold' may be similar to those of a real…
- OS (lens prescription) Abbreviation of 'oculus sinister.' Latin for 'left eye.' By contrast, OD stands for 'oculus dexter' which is…
- Thoracic vertebrae The 12 thoracic vertebrae are situated between the cervical (neck) vertebrae and the lumbar vertebrae. The…
- Heterotrisomy Trisomy of different chromosomes. The occurrence of two children in the same family, one with trisomy 18 and…
- Athlete's feet See: Athlete's foot
- Watchful waiting Closely monitoring a patient's condition but withholding therapy until the sign and symptom appear or change…
- AQP Aquaporin
- Respiratory therapist A person who has graduated from an approved respiratory therapist program and is qualified to provide…
- CTS One of a group of proteins that regulate the cell cycle. The cyclins bind to and activate cyclin-dependent…