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).
Basilar fracture
A break in bone at the base of the skull. About a half of basilar fractures are caused by bicycle or motor vehicle accidents, about a quarter by falls, and a tenth by recreational activities, particularly by diving accidents. The balance…
Read the definitionRandom terms
Show more- Epispadias Congenital (at birth) malformation in which the opening of the urethra (from whence comes the urinary stream)…
- Regulatory gene A gene that regulates the expression of other genes. A regulatory gene is a nosy gene whose prime…
- Cryostat A chamber that can maintain very low temperatures. Medical laboratories use a cryostat to preserve frozen…
- Upregulation An increase in the number of receptors on the surface of target cells, making the cells more sensitive to a…
- URI Commonly used abbreviation for Upper Respiratory Infection, an infection in the respiratory tract shy of the…
- Immunization, measles Measles: See Immunization, MMR
- Melanoma, acral-lentiginous One of the four clinical types of malignant melanoma, uncommon in whites but the most common type in…
- Rodney K. Beals See: Beals, Rodney K.
- Diabetes and fiber Soluble fibers (oat bran, apples, citrus, pears, peas/beans, psyllium, etc.) slow down the digestion of…
- Isochromosome 17q An abnormal chromosome 17 with two identical long (q) arms due to duplication of the long arm and loss of the…
- Dorian Gray effect Sudden aging, an abrupt change from seeming youthfulness to the reality and ravages of age, as can occur…
- Midget A very small person (or thing). Midget is a picturesque but somewhat disparaging term. It is the diminutive…