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).
Altitude sickness
>If possible, don't fly or drive to high altitude. Start below 10,000 feet (3,048 meters) and walk up. >If you do fly or drive, do not over-exert yourself or move higher for the first 24 hours. >If you go above 10,000 feet (3,048 meters)…
Read the definitionRandom terms
Show more- Dizygotic twin A twins who have shared a common uterine environment with its twin but is due to a different fertilized ovum…
- Agenesis, sacral Failure of formation of all or part of the sacrum (the lowest section of the spine). Currarino syndrome is a…
- HIB immunization This immunization is designed to prevent diseases caused by Haemophilus influenzae type B (HIB), a bacteria…
- LEOPARD syndrome A genetic syndrome transmitted in an autosomal dominant manner that is named for its characteristic features…
- Advance grief See: Anticipatory grief
- Bariatrician A physician practicing bariatrics, the field of medicine concerned with weight loss. Also called a bariatric…
- Thyroglossal cyst A fluid-filled sac present at birth in the midline of the neck. A thyroglossal cyst is a congenital…
- Peptidase An enzyme that can break down a peptide into its component amino acids
- Diabetes, ketosis-prone See Diabetes, type 1
- Migraine without aura See: Common migraine
- SARS Severe acute respiratory syndrome. A severe form of pneumonia which appeared in outbreaks in 2003. See…
- Carcinoma of the breast, infiltrating lobular Breast, infiltrating lobular: Infiltrating lobular carcinoma is the second most common type of invasive…